Word.ws English Dictionary

Words That Start with PH

There are 495 words that start with PH on Word.ws, from 3 to 15 letters. The most common length is 12 letters (64 words). The words used most often are phone, photo, physical, phase and philosophy.

Meanings from Wiktionary. Not an official Scrabble, Words With Friends or Wordle word list.

3-letter words that start with PH

  • phi8n. Φ, the 21st letter of the Euclidean and modern Greek alphabet, usually...
  • pho8n. A Vietnamese soup with a beef base, typically served with rice noodles...
  • pht8interj. Used to signify mild annoyance or disagreement.
  • phy11n. The drug physeptone.

4-letter words that start with PH

  • phad10n. A cloth or canvas scroll used for phad painting.
  • phai9n. A ring of nooses with bait in the center, for trapping hawks.
  • phal9n. Phalaenopsis.
  • phan9n. An ornamental tray with a pedestal, common in Thailand, Cambodia, and...
  • phat9adj. Excellent; cool; very good.
  • phet9n. Amphetamines.
  • phew12interj. Used to express relief of tension, fatigue, or surprise.
  • phin9n. A type of coffee filter.
  • phiz18n. The face.
  • phon9n. A unit of apparent loudness, equal in number to the intensity in...
  • phoo9interj. An expression of rejection or disgust.
  • phot9n. A photometric unit of illuminance, or luminous flux through an area...
  • phum11n. A village of Cambodia, a subdivision of a khum.
  • phut9interj. A representation of the sound resembling the release of a blast of...
  • phys12adj. Physical.

5-letter words that start with PH

  • phage11n. A virus that is parasitic on bacteria.
  • phane10n. Any of several substructures of a more complex molecule.
  • phara10n. A traditional steamed dumpling made from rice flour and lentil filling...
  • phare10n. Beacon.
  • pharm12n. A site where organisms are produced for the creation of medicine or...
  • pharo10n. A pharos; a lighthouse.
  • phase10n. A distinguishable part of a sequence or cycle occurring over time.
  • phats10n. Phat pants.
  • phial10n. A bottle or other vessel for containing a liquid; originally any such...
  • phile10n. A pedophile.
  • phish13v. To engage in phishing.
  • phlox17n. Any flowering plant of the genus Phlox.
  • phobe12n. A person who experiences a phobia (“fear or dislike”).
  • phoca12n. A seal.
  • phone10n. A device for transmitting conversations and other sounds in real time...
  • phony13adj. Fraudulent; fake; having a misleading appearance.
  • photo10n. A photograph.
  • phuck16v. Filter-avoidance spelling of fuck.
  • physa13n. Any of several species of freshwater snails, included in the family...
  • phyto13n. A phytosanitary certificate.

6-letter words that start with PH

  • phakic17adj. Relating to phakia.
  • pharma13n. The pharmaceutical or drug-making sector.
  • pharos11n. An ancient lighthouse or beacon to guide sailors.
  • phased12adj. Organized or structured chronologically in phases.
  • phaser11n. An electronic device that produces special effects on the sound...
  • phasic13adj. Of or relating to phases.
  • phasis11n. A phase (of the moon, a planet etc.).
  • phasma13n. A phasmid.
  • phasor11n. A representation of a complex number in terms of a complex exponential.
  • phatic13adj. Pertaining to words used to convey any kind of social relationship and...
  • phenol11n. A caustic, poisonous, white crystalline compound, C₆H₅OH, derived from...
  • phenom13n. Someone or something that is phenomenal, especially a promising young...
  • phenyl14n. A univalent hydrocarbon radical, C₆H₅ (benzene minus one hydrogen...
  • phiale11n. An Ancient Greek libation bowl.
  • philia11n. Friendship.
  • philip13n. English sparrow, house sparrow (Passer domesticus).
  • phlegm14n. One of the four humors making up the body in ancient and mediaeval...
  • phloem13n. A vascular tissue in land plants primarily responsible for the...
  • phobia13n. An irrational, abnormal, or obsessive fear (of something).
  • phobic15adj. Relating to a phobia.
  • phoebe13n. Any of several birds of the genus Sayornis.
  • phoner11n. One who phones.
  • phones11n. Headphones.
  • phonic13adj. Of or pertaining to sound; of the nature of sound; acoustic.
  • phonon11n. The quantum of acoustic or vibrational energy (sound), considered a...
  • phooey14interj. An expression of disgust, rejection, or disappointment.
  • phoria11n. Synonym of heterophoria.
  • phorid12n. Any fly of the family Phoridae.
  • photic13adj. Of, related to, or irradiated by light.
  • photog12n. A photographer, especially a professional one.
  • photon11n. The quantum of light and other electromagnetic energy, regarded as a...
  • phrase11n. A short written or spoken expression.
  • phreak15n. A person who engages in phone phreaking.
  • phurba13n. A dagger used in Tibetan ritual.
  • phwoar14interj. Expresses sexual desire on seeing a person to whom one is attracted.
  • phyllo14n. A type of dough, originating in Mediterranean cuisine, that is used in...
  • phylon14n. All of the organisms descending from a given common ancestor, regarded...
  • phylum16n. A rank in the classification of organisms, below kingdom and above...
  • physic16adj. Relating to or concerning existent materials; physical.
  • physis14n. Nature, as contrasted with law or custom.
  • phytic16adj. Relating to phytic acid or its derivatives.
  • phytol14n. The diterpenoid alcohol (2E,7R,11R)-3,7,11,15-tetramethyl-2-hexadecen-1-...
  • phyton14n. One of the parts which by their repetition make up a flowering plant...

7-letter words that start with PH

  • phablet14n. A mobile device intermediate in size between smartphone and tablet.
  • phaeton12n. A light four-wheeled open carriage drawn by four horses.
  • phalanx19n. An ancient Greek and Macedonian military unit that consisted of several...
  • phallic14adj. Relating to, or characteristic of the penis.
  • phallus12n. A penis, especially when erect.
  • phantom14n. A ghost or apparition.
  • pharaoh15n. The supreme ruler of Ancient Egypt; a formal address for the sovereign...
  • pharynx22n. The part of the alimentary canal and respiratory tract that extends...
  • phasing13n. Movement through phases; arrangement of a sequence or cycle.
  • phasmid15n. Any insect of the order Phasmida: a leaf insect or walking stick (stick...
  • phenome14n. The whole set of phenotypic entities in a cell, tissue, organ...
  • phenoxy22n. The univalent radical C₆H₅O- derived from phenol by loss of a hydrogen...
  • philter12n. A kind of potion, charm, or drug; especially a love potion intended to...
  • phisher15n. A person who engages in phishing attacks.
  • phlegmy18adj. Charged with phlegm.
  • phoenix19n. A mythological bird, said to be the only one of its kind, which lives...
  • phoneme14n. An indivisible unit of sound in a given language. A phoneme is an...
  • phonics14n. The study of how the sounds of words are represented by spelling.
  • phoning13n. The act of placing a telephone call.
  • phorbol14n. A diterpene alcohol derived from croton oil.
  • phrasal12adj. Relating to, or used in the manner of, a phrase.
  • phratry15n. A clan or kinship group consisting of a number of families claiming...
  • phrenic14adj. Of or pertaining to the diaphragm.
  • physics17n. The branch of science concerned with the study of the properties and...
  • phytase15n. A phosphatase, present in cereals, that catalyzes the hydrolysis of...
  • phytate15n. Any salt or ester of phytic acid.

8-letter words that start with PH

  • phacelia15n. Any of many annual or perennial herbaceous plants, of the genus...
  • phalange14n. Synonym of phalanx (“one of the bones of the finger or toe”).
  • phalaris13n. Any of several grasses of the genus Phalaris.
  • phantasm15n. Something seen but having no physical reality; a phantom or apparition.
  • phantasy16n. The innate, mental image of an object; the link between instinct and...
  • pharmacy20n. A place where prescription drugs are sold or dispensed.
  • pharming16n. The use of genetic engineering to alter an animal or plant in order to...
  • phaseout13n. The action of phasing out; an incremental removal or reduction.
  • pheasant13n. A bird of family Phasianidae, often hunted for food.
  • phenetic15adj. Of, or relating to, phenetics.
  • phenibut15n. Β-phenyl-GABA, a gabapentinoid drug similar to baclofen and gabapentin...
  • phenolic15adj. Of, relating to, or derived from a phenol.
  • philomel15n. The nightingale.
  • philtrum15n. The shallow vertical groove running from the nasal septum to the center...
  • phimosis15n. A contraction of the foreskin (either as a stage of development or a...
  • phishing17n. The malicious act of keeping a false website or sending a false e-mail...
  • phonemic17adj. Relating to phonemes.
  • phonetic15adj. Relating to the sounds of spoken language.
  • phononic15adj. Relating to the study of phonons.
  • phormium17n. Any plant in the genus Phormium, New Zealand flax.
  • phosgene14n. Carbonyl chloride.
  • phosphor18n. Any of various compounds of transition metals or of rare earths that...
  • photinia13n. Any member of the genus Photinia of small trees and large shrubs in the...
  • photofit16n. An image of a person constructed out of bits of photographs of other...
  • photolab15n. A photographic processing laboratory.
  • photonic15adj. Of, or relating to photons or to photonics.
  • photopic17adj. Used in normal daylight.
  • photoset13v. To photocompose.
  • phrasing14n. The way a statement is put together, particularly in matters of style...
  • phreatic15adj. Of or pertaining to ground water; (volcanology) involving explosively...
  • phthalic18adj. Of, relating to, or derived from naphthalene or phthalic acid.
  • phthisis16n. An atrophy of the body or part of the body, especially pulmonary...
  • phyletic18adj. Of or pertaining to phylogeny; phylogenetic.
  • phyllite16n. A type of metamorphic rock formed from clay-rich sediments called...
  • physalis16n. Any plant of the genus Physalis.
  • physeter16n. A filtering machine operated by air pressure.
  • physical18adj. Pertaining to the world as understood through the senses rather than...
  • physique25n. The natural constitution, or physical structure, of a person.

9-letter words that start with PH

  • phagocyte20n. A cell of the immune system, such as a neutrophil, macrophage or...
  • phalarope16n. Any of three small wading birds in the genus Phalaropus, of the family...
  • phantasia14n. A phantasm (an impression received through the senses) or the faculty...
  • pharaonic16adj. Of or pertaining to a pharaoh.
  • pharisaic16adj. Of or pertaining to the Pharisees.
  • phaseolus14n. Any of several domesticated beans, of the genus Phaseolus, native to...
  • phenology18n. The study of the effect of climate on periodic biological phenomena.
  • phenotype19n. The appearance of an organism based on a multifactorial combination of...
  • phenylene17n. Any of three isomeric divalent aromatic radicals derived from benzene...
  • phenytoin17n. A synthetic compound related to hydantoin, used as an anticonvulsant in...
  • pheromone16n. A chemical secreted by an animal, especially an insect, that affects...
  • philander15n. A lover.
  • philately17n. Stamp collecting.
  • philippic20n. Any of the discourses of Demosthenes against Philip II of Macedon...
  • phillippe18n. A Phillippe watch.
  • philology18n. The humanistic study of texts and their languages, especially ancient...
  • philomath19n. An astrologer or predictor.
  • philomene16n. The nightingale.
  • phlebitis16n. Inflammation of a vein, usually in the legs.
  • phonation14n. The process of producing vocal sound by the vibration of the vocal...
  • phonebook20n. A directory of all the phone numbers used in a district.
  • phonetics16n. The study of the physical sounds of human speech, concerned with the...
  • phoniness14n. The condition or quality of being phony or fake.
  • phonogram17n. A character or symbol (grapheme) that represents a sound, as opposed to...
  • phonology18n. The study of the way sounds function in languages, including accent...
  • phosphate19n. Any salt or ester of phosphoric acid.
  • phosphide20n. Any binary compound of phosphorus, especially one in oxidation state −3.
  • phosphine19n. A toxic gas, chemical formula PH₃.
  • phosphite19n. Any salt or ester of phosphorous acid.
  • photoblog17n. A type of blog designed primarily to showcase photographs.
  • photobomb20v. To unexpectedly appear in a photograph, especially so as to ruin the...
  • photobook20n. A book of photographs, often by a single photographer.
  • photocall16n. A gathering of theatrical performers for the purpose of being...
  • photocard17n. A card bearing a photograph, often a photograph of the cardholder for...
  • photocell16n. A photoelectric cell.
  • photocopy21n. A copy made using a photocopier.
  • photogram17n. A photograph made without using a camera; normally by placing an object...
  • photomask20n. A transparent quartz block marked with many high-resolution images; a...
  • photonics16n. The science and technology of generating and controlling photons...
  • photoplay19n. A theatrical play that has been filmed for showing as a movie.
  • photoshop19v. To digitally edit or alter (a picture or photograph).
  • photostat14n. A (non-xerographic) photocopy made using a Photostat machine; (loosely)...
  • phronesis14n. The virtue of "practical wisdom" as posited by Aristotle.
  • phthalate17n. Any salt or ester of a phthalic acid.
  • phycology23n. The scientific study of algae.
  • phylogeny21n. The evolutionary history of groups of organisms, such as species or...
  • physician19n. A practitioner of physic, i.e. a specialist in internal medicine...
  • physicist19n. A person whose occupation specializes in the science of physics...

The 48 most common of 57 are shown.

10-letter words that start with PH

  • phagocytic23adj. Of or pertaining to phagocytes or phagocytosis.
  • phalangeal16adj. Relating to a phalanx.
  • phalloidin16n. A toxic cyclic peptide obtained from the mushroom Amanita phalloides.
  • phantasmal17adj. Of or pertaining to, or having the characteristics of, a phantasm...
  • phantastic17n. Any hallucinogenic drug.
  • phantogram18n. A type of optical illusion that works by using perspectival...
  • pharmacare19n. Public insurance covering all or some of the cost of pharmaceuticals.
  • pharmacist19n. A health professional who controls, formulates, preserves, and...
  • pharyngeal19adj. Of or pertaining to the pharynx.
  • phenacetin17n. Any of a class of analgesic and antipyretic drugs derived from...
  • phenelzine24n. A synthetic compound used as a monoamine oxidase inhibitor.
  • phenomenal17adj. Very remarkable; highly extraordinary; amazing.
  • phenomenon17n. A thing or being, event or process, perceptible through senses; or a...
  • phenotypic22adj. Of, or relating to a phenotype.
  • pheromonal17adj. Of or pertaining to a pheromone.
  • philatelic17adj. Of or relating to philately or of interest to philatelists.
  • philosophe20n. Any of the leading philosophers or intellectuals of the 18th-century...
  • philosophy23n. An academic discipline that seeks truth through reasoning rather than...
  • phlebotomy22n. The opening of a vein, either to withdraw blood or for letting blood...
  • phlegmatic20adj. Not easily excited to action or passion; calm; sluggish.
  • phlogiston16n. The hypothetical fiery principle formerly assumed to be a necessary...
  • phlogopite18n. A mica mineral with the chemical formula KMg₃AlSi₃O₁₀(F,OH)₂, a basic...
  • phonograph21n. A device that captures sound waves onto an engraved archive; a lathe.
  • phosphatic22adj. Of, relating to, or composed of phosphate.
  • phosphonic22adj. Of or pertaining to phosphonic acid or its derivatives.
  • phosphoric22adj. Pertaining to the element phosphorus; containing phosphorus, especially...
  • phosphorus20n. A chemical element (symbol P) with an atomic number of 15, that exists...
  • phosphoryl23n. The trivalent radical O=P≡.
  • photoaging17n. The damaging effect of prolonged exposure to sunlight on the skin...
  • photodiode17n. A semiconductor two-terminal component whose electrical characteristics...
  • photogenic18adj. Generated or caused by light.
  • photograph21n. A picture created by projecting an image onto a photosensitive surface...
  • photolysis18n. Any chemical reaction in which a compound is decomposed after absorbing...
  • photometer17n. Any of several instruments used to measure various aspects of the...
  • photometry20n. The measurement of various aspects of light, especially its intensity.
  • photoshoot18n. A session in which a photographer takes a number of photographs of a...
  • phototaxis22n. The movement of an organism either towards or away from a source of...
  • phototoxic24adj. Causing damage to the skin when exposed to light.
  • photovoice20n. A group analysis method combining photography with grassroots social...
  • phragmites18n. Any of several perennial reeds, of the genus Phragmites, found in...
  • phrasebook21n. A book containing common phrases in two or more languages, used to...
  • phrenology19n. The pseudoscience which studies the relationships between a person's...
  • phylactery23n. Either of two small leather cases containing scrolls with passages from...
  • phylloxera25n. An insect, Daktulosphaira vitifoliae of the family Phylloxeridae (not...
  • physically23adv. In a physical manner.
  • physiology22n. A branch of biology that deals with the functions and activities of...
  • phytolacca22n. Any of the genus Phytolacca of herbaceous plants; the poke or pokeweed.
  • phytotoxic27adj. Characteristic of a phytotoxin.

The 48 most common of 53 are shown.

11-letter words that start with PH

  • phagocytose22v. To phagocytize; to ingest by phagocytosis.
  • pharisaical18adj. Of or pertaining to the Pharisees.
  • pharyngitis20n. Inflammation of the pharynx.
  • phenotyping22n. The construction, recording and analysis of phenotypes.
  • phentermine18n. An appetite suppressant of the amphetamine and phenethylamine classes.
  • phenylethyl25n. Any phenyl derivative of an ethyl group.
  • pheomelanin18n. A brown pigment produced by melanocytes.
  • philanderer17n. One who plays at courtship; a fickle lover; a flirt (usually applies...
  • philatelist16n. A person who collects and studies postage stamps.
  • philologist17n. A person who engages in philology (historical linguistics), especially...
  • philosopher21n. A lover of wisdom.
  • philosophic23adj. Synonym of philosophical.
  • phonography25n. The transcription of speech using symbols.
  • phonotactic20adj. Pertaining to phonotactics.
  • phosphatase21n. Any of several enzymes that hydrolyze phosphate esters, and are...
  • phosphating22n. The application of a protective coating of phosphate to the surface of...
  • phosphonate21n. Any salt or ester of a phosphonic acid; many of its derivatives have...
  • phosphonium23n. The tetravalent positively-charged phosphorus cation R₄P⁺.
  • phosphorite21n. A sedimentary rock rich in phosphate minerals such as apatite.
  • phosphorous21adj. Of or pertaining to phosphorus.
  • photoactive21adj. Able to convert the energy of light into electricity via...
  • photocopier20n. A machine which reproduces documents by photographing the original over...
  • photography25n. The art and technology of producing images on photosensitive surfaces...
  • photometric20adj. Of or relating to photometry or to photometers.
  • photoperiod19n. The normal duration of natural daylight experienced by an organism...
  • photophobia23n. Excessive sensitivity to light and the aversion to bright light...
  • photoresist16n. A light-sensitive film used in photolithography and photoengraving.
  • photosensor16n. A photodetector.
  • photosphere21n. A visible surface layer of a star, and especially that of a sun.
  • photostatic18adj. Relating to xerography.
  • photostream18n. A gallery or slideshow displaying a series of images from the Internet.
  • photosystem21n. Either of two biochemical systems, active in chloroplasts, that are...
  • phototropic20adj. Having a tendency to move in response to light. An animal or microbe...
  • phraseology20n. Study of set or fixed expressions.
  • phycocyanin26n. A pigment from the light-harvesting phycobiliprotein family, along with...
  • phyllotaxis26n. The arrangement of leaves on a stem, or the mathematical principles...
  • physiatrist19n. A physician specializing in physical rehabilitation.
  • physicalism23n. A philosophical position holding that everything which exists is no...
  • physicalist21n. An adherent of physicalism; A cosmological proceduralist.
  • physicality24n. Physical attributes.
  • physiognomy25n. The art or pseudoscience of deducing the predominant temper and other...
  • physiologic22adj. Of or pertaining to physiology.
  • phytochrome26n. Any of a class of pigments that control most photomorphogenic responses...
  • phytologist20n. Someone skilled in phytology; a writer on plants; a botanist.
  • phytosterol19n. Any of a group of steroid alcohols, phytochemicals naturally occurring...

12-letter words that start with PH

  • phagocytosis23n. A form of endocytosis in which a cell incorporates a particle by...
  • phalaenopsis19n. Any of the genus Phalaenopsis of moth orchids.
  • phalloplasty22n. Plastic surgery to construct or repair a penis, performed to repair...
  • pharmacology25n. The science of drugs, including their origin, composition...
  • phenanthrene20n. A tricyclic aromatic hydrocarbon obtained from coal tar; used in the...
  • phenological20adj. Of or pertaining to phenology.
  • phenomenally22adv. In a manner that is extraordinary or amazing.
  • phenotypical24adj. Of or pertaining to a phenotype.
  • philadelphus23n. Any of the genus Philadelphus of shrubs.
  • philandering19n. The action of one who philanders.
  • philanthropy25n. Benevolent altruism with the intention of increasing the well-being of...
  • philharmonic24adj. Appreciative of music, but especially to its performance; devoted to...
  • philistinism19n. A materialistic attitude accompanied by ignorance of artistic or...
  • philodendron19n. Any of several climbing plants, of the genus Philodendron, native to...
  • philological20adj. Of or pertaining to the history of literature and words.
  • philosophize31v. To ponder or reason out philosophically.
  • phlebotomist21n. A practitioner of phlebotomy.
  • phonetically22adv. In the way it sounds, particularly: written to describe the sound...
  • phonographic25adj. Of or relating to phonography or to a phonograph.
  • phonological20adj. Of or relating to phonology.
  • phosphatidic25adj. Of or pertaining to a phosphatide.
  • phosphatidyl26n. A radical derived from a phosphatide.
  • phospholipid25n. Any lipid, such as lecithin or cephalin, consisting of a diglyceride...
  • photobiology23n. The study of the effects of light on living organisms, and on...
  • photobombing24n. The practice or phenomenon of making an unexpected appearance in a...
  • photocathode23n. A cathode that emits electrons when exposed to light.
  • photochromic26adj. Of, related to, or produced by photochromism.
  • photocopying25n. The process by which photocopies are made.
  • photocurrent19n. Any electric current that flows as a result of photoconductivity or the...
  • photodynamic25adj. Of, relating to, or caused by the energy or momentum of light or other...
  • photographer23n. One who takes photographs, typically as an occupation.
  • photographic25adj. Pertaining to photographs or photography.
  • photogravure21n. An intaglio process for printing photographic reproductions in...
  • photoinduced21adj. Induced as a result of interaction with electromagnetic radiation in...
  • photomontage20n. A composite image combining two or more photographs.
  • photorealism19n. An extremely realistic style distinguished by paintings, drawings, etc....
  • photoshopped25adj. Of an image, digitally edited or altered.
  • phototherapy25n. The use of light to treat disorders of the skin, and certain mood...
  • photothermal22adj. Involving the production of heat by photoexcitation.
  • phototrophic24adj. That exhibits phototrophy.
  • photovoltaic22adj. Producing a voltage when exposed to light.
  • phrenologist18n. An adherent or practitioner of phrenology.
  • phycological25adj. Of or pertaining to the scientific study of algae.
  • phylogenetic23adj. Of, or relating to phylogeny or phylogenetics.
  • physiography29n. The subfield of geography that studies physical patterns and processes...
  • physiologist21n. A person who studies or specializes in physiology.
  • phytophagous26adj. Feeding on plants, herbivorous.
  • phytophthora28n. Any of many parasitic pseudofungi, of the genus Phytophthora, that...

The 48 most common of 64 are shown.

13-letter words that start with PH

  • phallocentric22adj. Focused on the phallus, especially as a symbol of male dominance...
  • pharmaceutics24n. The art and science of dispensing medical drugs.
  • pharmacognosy26n. A branch of pharmacology that studies medical substances that are...
  • pharmacologic25adj. Relating to pharmacology.
  • pharmacophore27n. The molecular framework responsible for a drug's biological activity.
  • pharmacopoeia24n. A text describing medicines and pharmacological substances, especially...
  • phencyclidine26n. A synthetic compound derived from piperidine, used as a veterinary...
  • phenobarbital22n. A narcotic and sedative barbiturate drug used chiefly to treat epilepsy.
  • phenomenalism22n. The doctrine that physical objects exist only as perceptual phenomena...
  • phenomenology24n. The study of structures of consciousness as experienced from the...
  • phenothiazine30n. A polycyclic heterocycle consisting of two benzene rings fused to one...
  • phenylacetate23n. Any salt or ester of phenylacetic acid.
  • phenylalanine21n. An essential amino acid C₉H₁₁NO₂ found in most animal proteins; it is...
  • phenylephrine26n. An α-adrenergic receptor agonist related to adrenaline, used as a...
  • philanthropic25adj. Of or pertaining to philanthropy; characterized by philanthropy; loving...
  • philosophical25adj. Of, or pertaining to, philosophy.
  • phosphokinase27n. Kinase.
  • phospholipase25n. Any of several enzymes that hydrolyze the phosphate ester bonds of...
  • phosphorylase26n. Any enzyme that catalyzes the production of glucose phosphate from...
  • phosphorylate26v. To cause phosphorylation.
  • photoacoustic22adj. Of, or relating to photoacoustics.
  • photocatalyst23n. A substance that absorbs light and, in doing so, catalyzes a reaction.
  • photochemical27adj. Of, relating to, or produced by photochemistry or by photochemical...
  • photodetector21n. Any device used to detect electromagnetic radiation.
  • photoelectric22adj. Of or relating to the electric effects of electromagnetic radiation...
  • photoelectron20n. An electron ejected from the surface of a material by the photoelectric...
  • photoemission20n. The ejection of electrons from the surface of a solid by incident...
  • photographing25n. The taking of a photograph.
  • photoperiodic23adj. Of, pertaining to, or exhibiting photoperiodism.
  • photophysical28adj. Describing photoexcitation and any subsequent process that does not...
  • photoreceptor22n. A specialized neuron or other structure able to detect and react to...
  • phototoxicity30n. Any adverse effect due to exposure to light, especially such effects on...
  • photovoltaics23n. The technology of the conversion of sunlight into electricity using...
  • phrenological21adj. Pertaining to phrenology.
  • phycoerythrin29n. A red, light-harvesting protein found in cyanobacteria, red algae and...
  • phylogenetics24n. The study of the evolutionary history and relationships among or within...
  • physicalistic25adj. Pertaining to physicalism.
  • physiographic29adj. Of or pertaining to physiography.
  • physiological24adj. Of, or relating to physiology.
  • physiotherapy29n. Therapy that uses physical techniques such as massage, ultrasound...
  • physisorption23n. Adsorption in which the forces involved are intermolecular rather than...
  • physostigmine24n. A parasympathomimetic, a reversible cholinesterase inhibitor alkaloid...
  • phytochemical30adj. Pertaining to the chemistry of plants.
  • phytoestrogen22n. A substance found in certain plants (such as genistein) which can...
  • phytoplankton27n. Plankton, especially those small in size, that obtain energy by...
  • phytosanitary24adj. Concerning the health of plants; especially the freedom from pests...
  • phytotoxicity33n. The condition of being phytotoxic.

14-letter words that start with PH

  • phantasmagoria22n. A popular 18th- and 19th-century form of theater entertainment whereby...
  • phantasmagoric24adj. Characterized by or pertaining to rapid changes in light intensity and...
  • pharmaceutical25adj. Of or relating to pharmacy or pharmacists.
  • pharmacologist24n. A student of pharmacology; one versed in the science of pharmacology.
  • phenanthroline22n. A tricyclic heterocyclic compound having two pyridine rings fused with...
  • phenethylamine27n. An aromatically substituted aliphatic amine, C₆H₅C₂H₄NH₂, which is a...
  • phenobarbitone23n. A barbiturate drug used as a sedative.
  • phenotypically29adv. With regard to the phenotype.
  • phenoxyethanol32n. An organic compound, a glycol ether often used in dermatological...
  • phenylbutazone33n. An anti-inflammatory and analgesic drug used to treat arthritis and...
  • philanthropist24n. A person who loves humankind in general.
  • philologically25adv. In a philological manner.
  • philosophizing34n. Philosophical thought or discussion.
  • phonologically25adv. In accordance with phonology.
  • phosphocholine29n. The choline ester of phosphoric acid.
  • phosphodiester25n. Any of many biologically active compounds in which two alcohols form...
  • phosphoprotein26n. Any protein containing bound phosphate or complexed with a phospholipid.
  • phosphorescent26adj. Having the property of emitting light for a period of time after the...
  • phosphoribosyl29n. The univalent radical derived from phosphoribose (ribose phosphate).
  • phosphorylated28adj. Reacted or combined with phosphoric acid.
  • photobleaching27n. The destruction of a photochemical fluorescence by high-intensity light.
  • photocatalysis24n. Catalysis by a photocatalyst.
  • photocatalytic26adj. Of, pertaining to, or obtained by photocatalysis.
  • photochemistry29n. The study of photochemical reactions.
  • photoconductor24n. A material or device that exhibits or uses photoconductivity.
  • photoengraving24n. A process of transferring a photographic image onto a plate which is...
  • photogenerated21adj. Generated by light (used especially of electrons).
  • photogrammetry27n. The making of precise measurements from photographs.
  • photographical27adj. Photographic.
  • photorealistic21adj. Of or pertaining to photorealism.
  • photosensitive22adj. Having a reaction to, or able to be affected by, light.
  • photostability24n. Stability against photochemical change.
  • photosynthesis25n. Principally, oxygenic photosynthesis, any process by which plants and...
  • photosynthetic27adj. Of, relating to, or employing photosynthesis.
  • phraseological22adj. Of or pertaining to phraseology.
  • phthalocyanine27n. Any of a family of macrocyclic compounds having a structure similar to...
  • phyllosilicate24n. Any silicate mineral having a crystal structure of parallel sheets of...
  • phylogeography32n. The study of the processes controlling the geographic distributions of...
  • physiochemical31adj. Of or pertaining to both physiology and chemistry.
  • phytochemistry32n. The scientific study of the chemicals found in plants.
  • phytogeography32n. The science that studies the geographical distribution of plants...
  • phytopathology31n. The study of plant diseases; plant pathology.

15-letter words that start with PH

  • pharmacodynamic32adj. Of or pertaining to pharmacodynamics.
  • pharmacogenetic27adj. Of or pertaining to pharmacogenetics.
  • pharmacogenomic29adj. Of or pertaining to pharmacogenomics or to pharmacogenomes.
  • pharmacokinetic30adj. Of or relating to pharmacokinetics.
  • pharmacological27adj. Of or having to do with pharmacology.
  • pharmacotherapy32n. The use of pharmaceuticals to treat disease.
  • phenazopyridine35n. A chemical used as an analgesic for the urinary tract.
  • phenolphthalein28n. A white or yellowish-white crystalline compound C₂₀H₁₄O₄ used in...
  • phenomenologist23n. A philosopher who practices, advocates, or specializes in the scholarly...
  • phenylketonuria27n. A metabolic disorder in which individuals lack the liver enzyme...
  • phenylpropanoid28n. Any of a class of plant-derived organic compounds that are...
  • philosophically30adv. With regards to philosophy.
  • phosphocreatine27n. A phosphorylated derivative of creatine that is used in muscles to...
  • phosphorescence29n. The emission of light without any perceptible heat; the quality of...
  • phosphorylating29adj. That phosphorylates.
  • phosphorylation28n. The process of transferring a phosphate group from a donor to an...
  • phosphotyrosine28n. A phosphorylated derivative of tyrosine that is active in signal...
  • photoactivation25n. The absorption of energy from a photon in raising a molecule (or...
  • photochemically32adv. By means of, or in terms of, photochemistry.
  • photoconductive28adj. Of, relating to, or characterized by photoconductivity.
  • photoexcitation29n. The formation of an excited state by the absorption of a photon.
  • photogrammetric27adj. Of or pertaining to photogrammetry.
  • photojournalism29n. A form of journalism in which a story is told primarily through...
  • photojournalist27n. A journalist who uses photojournalism.
  • photomechanical29adj. Of or relating to any of several methods of printing via a plate which...
  • photomicrograph30n. A photograph taken using a microscope.
  • photomultiplier24n. A device, normally in the form of a tube, that uses a photocathode to...
  • photoproduction25n. The production of a molecular species (e.g. a radical or ion) by means...
  • photoprotection24n. The function, in plants that are adapted to high levels of sunlight...
  • photoprotective27adj. Of or pertaining to photoprotection.
  • photorefractive28adj. Of or relating to a change in refractive index in the presence of light.
  • photosensitizer29n. A molecular or atomic species that initiates a photochemical reaction.
  • photosynthesize35v. To synthesize carbohydrates from carbon dioxide and water using the...
  • phototransistor20n. Any semiconductor device whose electrical characteristics are...
  • phylogeographic32adj. Of or pertaining to phylogeography.
  • physicochemical34adj. Dependent on the joint action of both physical and chemical processes.
  • physiologically29adv. In accordance with the science of physiology.
  • physiopathology32n. Pathophysiology: the physiological processes associated with disease or...
  • physiotherapist28n. A therapist who treats physical injury or dysfunction, usually with...
  • phytogeographic32adj. Phytogeographical.
  • phytopathogenic31adj. Pathogenic to plants.
3,082 rare words that start with PH

The first 300 are shown.

Questions about these words

How many words that start with PH are there?
Word.ws lists 495 words that start with PH, plus 3,082 rare ones.
What are common words that start with PH?
phone, photo, physical, phase, philosophy, phones, photography and physics.
Which of the words that start with PH has the highest letter score?
photosynthesize scores 35 points with the standard letter tile values.

Related word lists

Source and license

Word lists and meanings adapted from the Wiktionary entry of each word. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out names, abbreviations, misspellings and offensive words, and ordered the most common words by how often they appear in English (wordfreq). Meanings from Wiktionary; this is not an official Scrabble, Words With Friends or Wordle word list. Wiktionary data of 2026-09-02.

Cite this page: “Words That Start with PH: 495 Words by Length.” Word.ws, https://word.ws/words/starting-with-ph. Based on Wiktionary, CC BY-SA 4.0.