13-Letter Words Starting with P

All 292 thirteen-letter words that start with P

PA

• paediatrician18n. Standard spelling of pediatrician.
• painstakingly23adv. In a painstaking manner; very slowly and carefully.
• palaeoecology21n. The study of past ecologies by using the evidence of fossils.
• paleobotanist17n. A botanist who specializes in paleobotany; someone who studies plant...
• paleoclimatic21adj. Of or pertaining to the climate of a region in the past.
• paleomagnetic20adj. Relating to paleomagnetism or to paleomagnetics.
• palynological21adj. Of or pertaining to palynology.
• panentheistic20adj. Of or relating to panentheism.
• paphiopedilum25n. Any plant of the genus Paphiopedilum.
• parabolically22adv. In the form of a parabola.
• paradoxically28adv. In a paradoxical manner; so as to create a paradox.
• paraganglioma19n. A rare and typically benign neoplasm that can be found in the abdomen...
• parainfluenza27n. Any of a group of single-stranded RNA viruses belonging to the family...
• parallelogram18n. A convex quadrilateral in which each pair of opposite edges are...
• paramagnetism20n. The tendency of magnetic dipoles to align with an external magnetic...
• paramyxovirus30n. Any member of the Paramyxoviridae family of negative-sense...
• paraphernalia20n. Miscellaneous items, especially the set of equipment required for a...
• parasitically20adv. In a parasitic manner.
• paratriathlon18n. A variant of the triathlon for athletes with a range of physical...
• paravertebral20adj. Located near the vertebral column.
• parenthesized28adj. Between parentheses.
• parenthetical20adj. Using, containing, or within parenthesis.
• parliamentary20adj. Of, relating to, or enacted by a parliament.
• participation19n. The act of participating, of taking part in something.
• participative22adj. That participates, or is capable of participating.
• participatory22adj. Relating to participation.
• particularism19n. An exclusive focus on a particular area, group, sect, etc.
• particularist17n. One who holds to particularism.
• particularity20n. A particular thing.
• particularize26v. To make particular, as opposed to general; to restrict to a specific or...
• parvocellular20adj. Having small-bodied, punctate neuronal cells.
• passionflower21n. Any of very many vines, in North America and elsewhere, of the genus...
• patentability20n. The state or condition of being patentable.
• paterfamilias20n. A man who is the head of a household, family or tribe.
• paternalistic17adj. The quality of being paternal, i.e. like a father, e.g. characterized...
• pathogenicity24n. The quality or state of causing, originating or producing disease.
• pathognomonic23adj. Specifically characteristic or indicative of a particular disease or...
• patrilineally18adv. In patrilineal fashion.
• patriotically20adv. In a patriotic manner.
• patronization24n. Patronizing behaviour or talk.
• patronizingly28adv. In a patronizing manner.
• patternmaking22n. The creation of patterns for either sewing or casting.
• pauperization26n. The act or process of reducing to poverty.

PE

• peacebuilding21n. The creation of peace or the conditions for peace.
• pedagogically23adv. From a pedagogical point of view.
• pedestrianism18n. Going on foot; walking.
• peginterferon19n. A pegylated interferon.
• pembrolizumab32n. A drug that targets the programmed cell death 1 (PD-1) receptor...
• penetratingly19adv. In a penetrating manner.
• penicillamine19n. A crystalline, sulfur-containing amino acid produced by the hydrolysis...
• pentachloride21n. Any chloride containing five chlorine atoms in each molecule.
• pentafluoride19n. Any fluoride containing five fluorine atoms in each molecule.
• pentobarbital19n. A narcotic and sedative barbiturate drug (trademark Nembutal) formerly...
• peptidoglycan24n. A polymer of glycan and peptides found in bacterial cell walls.
• perambulation19n. An English legal ceremony in which an official from a town or parish...
• percussionist17n. A trained musician who plays percussion instruments, as opposed to a...
• peregrination16n. A journey or trip, especially by foot; also (uncountable) journeying...
• perfectionism22n. An unwillingness to settle for anything less than perfection.
• perfectionist20n. Someone who is unwilling to settle for anything that is not perfect or...
• perfunctorily23adv. In a perfunctory manner, without interest or concern for quality.
• perimenopause19n. The physiological stage that women approaching menopause go through...
• periodization25n. The process of categorizing something (e.g. history) into named periods.
• periodontitis16n. A serious form or stage of periodontal disease which may lead to loss...
• perioperative20adj. Relating to the period around an operation, including immediate...
• peritonsillar15adj. Around the tonsils.
• permeabilized29adj. Made permeable.
• peroxynitrite25n. The unstable oxyanion O=N-O-O⁻, a structural isomer of the nitrate...
• perpendicular20adj. At or forming a right angle (to something).
• perseveration18n. An uncontrollable repetition of a particular response, such as a word...
• perseveringly22adv. In a persevering manner; with perseverance.
• personalistic17adj. Relating to personalism.
• perspectivism24n. The philosophical view that all perception always takes place from a...
• perspicacious21adj. Of acute discernment; having keen insight; mentally perceptive.
• perspicuously22adv. With clarity and lucidity.
• petrification20n. Turning to stone: the process of replacement of the organic residues of...
• petrochemical24n. Any chemical derived from petroleum.
• petrophysical25adj. Relating to petrophysics.

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.

PI

• pickpocketing30n. The act of stealing from the pocket of a passerby; the crime committed...
• picturesquely29adv. In a picturesque manner.
• picturization26n. The representation of something as a picture, or the adaptation of...
• piezoelectric28adj. Of or relating to piezoelectricity.

PL

• plagiocephaly26n. A congenital condition where the skull suffers an oblique malformation.
• planarization24n. The act or process of planarizing.
• plastoquinone24n. A quinone, related to the carotenoids, involved in the electron...
• platitudinous16adj. Characterised by clichés or platitudes.
• playwrighting26n. Writing plays: the craft of a playwright.
• plesiomorphic24adj. Sharing a character state with an ancestral clade; primitive.
• pluralization24n. The act of making plural.
• plurinational15adj. Describing a state containing large groups of people of different...

PN

• pneumatically22adv. In a pneumatic manner.
• pneumonectomy24n. The surgical removal of all or part of a lung.

PO

• pointlessness15n. The lack of meaning, purpose, or ideas; the characteristic or condition...
• poliomyelitis20n. Acute infection by the poliovirus, especially of the motor neurons in...
• polyacetylene23n. Any of a class of organic compounds containing a acetylene (-C≡C-)...
• polyarteritis18n. Inflammation of multiple arteries.
• polyarthritis21n. Any arthritis affecting five or more joints, often caused by an...
• polybutadiene21n. A polymer of butadiene, used to make synthetic rubber.
• polycarbonate22n. Any of a range of polymers of aromatic carbonates.
• polychromatic27adj. Showing a variety, or a change, of colours; having many colours.
• polyglutamine21adj. Involving more than one glutamine; (medicine) applied to a class of...
• polymerizable31adj. Able to be polymerized.
• polymicrobial24adj. Of or pertaining to multiple types (species) of microbes.
• polyphenylene26n. Any of several polymers in which the repeat unit is a phenylene...
• polyphosphate28n. Any of a class of inorganic polymers containing linked phosphate...
• polypropylene25n. A thermoplastic resin made by the polymerization of propylene, and used...
• polysubstance22adj. Involving many substances (used of drug abuse).
• polysynthetic26adj. Characterized by a prevalence of relatively long words containing a...
• polytechnical25adj. Polytechnic.
• polythiophene26n. A polymer of thiophene that will conduct electricity under certain...
• ponderomotive21adj. Able to move a weight (or anything having mass).
• pontificating21n. Synonym of pontification.
• pontification20n. The act of pontificating.
• portosystemic22adj. Relating to, or connecting the portal and systemic venous circulation...
• positionality18n. The quality of being positional.
• postclassical19adj. After the classical era (but sometimes before the medieval).
• postcommunist21adj. After communism.
• posteromedial18adj. In the back and near the midline.
• postinfection20adj. Occurring after an infection.
• postmarketing22adj. Subsequent to the release of a product on the market.
• postmodernism20n. Any style in art, architecture, literature, philosophy, etc., that...
• postmodernist18adj. Postmodern.
• postmodernity21n. The state or condition of being postmodern.
• postoperative20adj. Of, relating to, or occurring in the period after a surgical operation.
• postsecondary21adj. Of or pertaining to education or educational institutions subsequent to...
• postsocialist17adj. After socialism.
• posttraumatic19adj. After, or as a result of, a trauma.
• posttreatment17adj. Following treatment.
• potentiometer17n. A user-adjustable three-terminal variable resistor that can be used as...
• powerlessness18n. The state or character of being powerless; absence or lack of power.
• powerviolence23n. An extremely dissonant and fast subgenre of hardcore punk music...

PR

• pragmatically23adv. In a pragmatic manner.
• preadolescent18adj. Of or relating to preadolescence.
• precautionary20adj. Of, pertaining to, or serving as a precaution.
• preceptorship24n. The rank or role of preceptor.
• precipitately22adv. In a precipitate manner.
• precipitation19n. Any or all of the forms of water particles, whether liquid or solid...
• precipitously22adv. Abruptly, perilously, sharply, steeply, severely.
• precommitment23n. A prior commitment.
• preconception21n. An opinion formed before obtaining adequate evidence, especially as the...
• preconference22adj. Occurring before or in preparation for a conference.
• predetermined19adj. Determined in advance.
• predicatively24adv. As a predicate; giving information about the subject of a sentence.
• predominantly21adv. In a predominant manner. Most commonly or frequently by a large margin.
• prefabricated23adj. Manufactured in advance, usually to a standard format, and then...
• prefiguration19n. A vague representation or suggestion of something before it has...
• prefigurative22adj. Related to prefiguration; that prefigures.
• preganglionic19adj. Describing the nerve fibres that supply a ganglion.
• prehistorical20adj. Prehistoric.
• preindustrial16adj. Of or relating to the period before the Industrial Revolution and the...
• prejudicially28adv. In a prejudicial manner.
• preliminarily20adv. In a preliminary manner.
• premedication20n. The administration of a drug (or mixture of drugs) prior to an...
• premeditation18n. The act of planning or plotting something in advance, especially a...
• premenopausal19adj. Having not yet undergone menopause.
• premillennial17adj. Pertaining to the belief that the Second Coming will take place before...
• preoccupation21n. The state of being preoccupied or an idea that preoccupies the mind...
• preponderance20n. Superiority in amount or number; the bulk or majority; also, a large...
• prepositional17adj. Of, pertaining to, or of the nature of a preposition.
• prepossessing18adj. Tending to invite favor; attracting confidence, favor, esteem, or love...
• preprocessing20n. The act of processing beforehand.
• preproduction20n. All the preliminary arrangements that are made before the start of a...
• preregistered17adj. Registered in advance of some other event.
• prescientific22adj. Before the development of modern science.
• presumptively25adv. In a presumptive manner.
• pretentiously18adv. In a manner with unwarranted claim to importance or distinction.
• preternatural15adj. Beyond or not conforming to what is natural or according to the regular...
• prevarication20n. Evasion of the truth.
• primatologist18n. A specialist in primatology.
• primitiveness20n. The quality or state of being primitive.
• primogeniture18n. The state of being the firstborn of the children of the same parents.
• principalship24n. The condition, rank or office of a principal.
• privatization27n. The transfer of a company or organization from government to private...
• prizefighting32n. Professional boxing, in which two fighters compete for a prize.
• probabilistic21adj. Of, pertaining to, or derived using probability.
• problematical21adj. Doubtful or disputed.
• processionary20adj. Of, pertaining to, or used in a procession.
• procrastinate17v. To delay taking action; to wait until later.
• procuratorate17n. The office of a procurator.
• professoriate18n. Professors considered as a group or body.
• professorship23n. The office of a professor.
• profitability23n. The state or quality of being profitable; capacity to make a profit.
• prognosticate18v. To predict or forecast, especially through the application of skill.
• progovernment21adj. In favour of the government.
• progressively22adv. In a progressive manner.
• progressivism21n. A political ideology that favours progress towards better conditions in...
• progressivist19n. An advocate of progressivism.
• progressivity22n. The condition of being progressive.
• prohibitively26adv. In a prohibitive manner.
• projectionist24n. A person who operates a film projector, especially one who does so as...
• proliferation18n. The process by which an organism produces others of its kind; breeding...
• proliferative21adj. Of or pertaining to proliferation, especially of cells.
• promiscuously22adv. In a promiscuous manner.
• promyelocytic27adj. Of or pertaining to the promyelocyte.
• pronounceable19adj. Capable of being distinctly pronounced in speech; enunciable.
• pronouncement19n. An official public announcement.
• pronunciation17n. The way in which a word, phrase, letter, character etc. is made to...
• prophetically25adv. In a prophetic manner.
• proportionate17adj. In proportion; proportional; commensurable.
• propositional17adj. Relating to, or limited to, propositions.
• proprietorial17adj. Of or pertaining to ownership.
• prosecutorial17adj. Relating to prosecuting of criminal cases.
• proselytizing28n. Proselytism.
• prosopagnosia18n. A form of visual agnosia characterized by difficulty with face...
• prosopography26n. A study of the individuals in a group of people within a specific...
• prospectively25adv. In a prospective manner.
• prospectivity25n. The state of being prospective rather than retrospective.
• prostaglandin17n. Any of a group of naturally occurring lipids derived from the C₂₀ acid...
• prostatectomy22n. The surgical removal of part or all of the prostate gland.
• prosthodontic21adj. Of or pertaining to prosthodontics.
• protectionism19n. A system or policy of protecting the domestic producers of a product...
• protectionist17adj. Of or pertaining to protectionism, or an advocate thereof.
• proteinaceous17adj. Of, pertaining to, or consisting of protein.
• protohistoric20adj. Of or pertaining to protohistory.
• protomolecule19n. A collection of unstably bound atoms that has the potential to form a...
• provincialism22n. The quality of being provincial; having provincial tastes, mentality...
• provisionally21adv. In a provisional way; temporarily.
• provocatively26adv. In a provocative manner.

PS

• pseudoscience20n. Fictitious science as portrayed in science fiction.
• psychoanalyst26n. A practitioner of psychoanalysis.
• psychoanalyze35v. To treat (someone) using psychoanalysis.
• psychobiology29n. The study of the biological basis for cognition and other mental...
• psychodynamic31adj. Of or pertaining to psychodynamics, the dynamic interplay between...
• psychographic31adj. Relating to seances or occult communication.
• psychohistory29n. The scientific study of psychology and motivation in history.
• psychokinesis27n. The ability to interact with phenomena the use of psychic power...
• psychokinetic29adj. Of or relating to psychokinesis.
• psychological26adj. Of or pertaining to psychology.
• psychometrics27n. The design of psychological tests to measure intelligence, aptitude and...
• psychophysics33n. The branch of psychology concerned with the effects of physical stimuli...
• psychosomatic27adj. Pertaining to physical diseases, symptoms, etc. which have mental...
• psychosurgery27n. Surgery of the brain to treat or alleviate mental illness.
• psychotherapy31n. The treatment of people diagnosed with mental and emotional disorders...
• psychotically28adv. In a psychotic manner.
• psychrometric27adj. Relating to the measurement or study of the thermodynamic properties of...
• psychrophilic30adj. Especially of certain bacteria: capable of living at relatively low...

PU

• pubococcygeus27n. A hammocklike muscle, found in both sexes, that stretches from the...
• pulmonologist18n. A physician who specializes in pulmonology.
• pulverization27n. The act of pulverizing.
• punctiliously20adv. In a punctilious manner.
• pusillanimity20n. The quality or state of being pusillanimous; the vice of being timid...
• pusillanimous17adj. Showing ignoble cowardice, or contemptible timidity.

PY

• pyrimethamine25n. A synthetic compound derived from pyrimidine, acting as a folic acid...
• pyrophosphate28n. Any salt or ester of pyrophosphoric acid.
• pyrotechnical25adj. Of or pertaining to pyrotechnics.
• pyrrolizidine28n. Any of a class of alkaloids, found in many plants, that are hepatotoxic.

Questions about these words

How many thirteen-letter words that start with P are there?

Word.ws lists 292 thirteen-letter words that start with P, plus 3,518 rare ones.

What are common thirteen-letter words that start with P?

participation, psychological, parliamentary, philosophical, predominantly, precipitation, proliferation and physiological.

Which of the thirteen-letter words that start with P has the highest letter score?

psychoanalyze scores 35 points with the standard letter tile values.

Related word lists

• 13-Letter Words
• Words That Start with P
• 12-Letter Words Starting with P
• 14-Letter Words Starting with P
• Q Words Without U