Words That Start with CY
There are 184 words that start with CY on Word.ws, from 4 to 15 letters. The most common length is 8 letters (27 words). The words used most often are cycle, cycling, cylinder, cyber and cynical.
Meanings from Wiktionary. Not an official Scrabble, Words With Friends or Wordle word list.
4-letter words that start with CY
- cyan9n. An additive secondary colour midway between green and blue, evoked by...
- cyma11n. The wavelike, curved shape of a cymatium, consisting of a concave and a...
- cyme11n. A flattish or convex flower cluster, of the centrifugal or determinate...
- cyst9n. A pouch or sac without opening, usually membranous and containing...
5-letter words that start with CY
- cyano10n. A univalent functional group, -CN, consisting of a carbon and a...
- cyber12adj. Of, or having to do with, the Internet; alternative form of cyber-.
- cycad13n. Any plant of the division Cycadophyta, having a stout and woody trunk...
- cycas12n. Any member of the plant genus Cycas.
- cycle12n. An interval of space or time in which one set of events or phenomena is...
- cyclo12n. A tuk-tuk.
- cynic12n. A person whose outlook is scornfully negative.
6-letter words that start with CY
- cyanic13adj. Of cyanogen or its derivatives.
- cyborg14n. A being which is part machine and part organic.
- cyclen13n. 1,4,7,10-tetraazacyclododecane, a macrocycle and the aza analogue of...
- cycler13n. Anything with a cyclic (repetitious) behaviour. Something that cycles...
- cyclic15adj. Characterized by, or moving in cycles, or happening at regular...
- cyclin13n. Any of a group of proteins whose presence in a cell varies through its...
- cygnet12n. The young of a swan.
- cymbal15n. A concave plate of metal, usually brass or bronze, that produces a...
- cymene13n. Any of several isomeric naturally occurring terpenoid hydrocarbons; a...
- cymose13adj. Having a cyme, a usually flat-topped flower cluster in which the main...
- cystic13adj. Of or pertaining to a cyst.
7-letter words that start with CY
- cyanate12n. Any salt or ester of cyanic acid.
- cyanide13n. Any compound containing the -C≡N group or the CN⁻ anion.
- cyanine12n. Any of a family of synthetic polymethine blue dyes used in photography...
- cyclase14n. Any enzyme that catalyzes the cyclization of a compound.
- cyclery17n. A bicycle shop.
- cycling15n. The activity of riding cycles, especially bicycles (for transport...
- cyclist14n. A person who rides a cycle, especially a bicycle, or who habitually...
- cycloid15n. The locus of a point on the circumference of a circle that rolls...
- cyclone14n. Any weather phenomenon consisting of a system of winds rotating around...
- cyclops16n. A one-eyed giant from Greek and Roman mythology.
- cynical14adj. Of or relating to the belief that human actions are motivated only or...
- cyperus14n. Any sedge of genus Cyperus.
- cypress14n. An evergreen coniferous tree with flattened shoots bearing small...
- cystine12n. A nonessential amino acid formed by the oxidation of cysteine; it...
- cystoid13adj. Resembling a cyst or bladder.
- cytisus12n. Any flowering plant in the genus Cytisus.
- cytosol12n. The aqueous solution of a cell's cytoplasm, consisting of water...
8-letter words that start with CY
- cyanidin14n. An anthocyanidin pigment, 2-(3,4-dihydroxyphenyl)...
- cyanogen14n. The pseudohalogen (CN)₂; a colorless, poisonous gas used as a rocket...
- cyanosis13n. A blue discolouration of the skin due to the circulation of blood low...
- cyanotic15adj. Resembling or afflicted with cyanosis.
- cyanuric15adj. Of, related to, or derived from cyanuric acid.
- cyberman17n. A human intertwined with electronic components; often implies the...
- cybernat15n. A Scottish nationalist who takes part in Internet activism.
- cybersex22n. A virtual sexual encounter in which two or more persons connected...
- cyberwar18n. Cyberwarfare.
- cyclamen17n. Any of various primulaceous flowering plants, of the genus Cyclamen...
- cycleway21n. Cycle path, cycle lane.
- cyclical17adj. Recurring at regular intervals.
- cyclized25adj. Formed into a ring.
- cyclonic17adj. Of, pertaining to, or resembling a cyclone.
- cyclopia17n. A congenital abnormality in which the orbits of the eye do not divide...
- cylinder14n. A surface created by projecting a closed two-dimensional curve along an...
- cymatics17n. The study of visible effects of sound and vibration.
- cynicism17n. A distrustful attitude.
- cynosure13n. That which serves to guide or direct; a guiding star.
- cyprinid16adj. Of, pertaining to, or being the Cyprinidae family of fish that includes...
- cystatin13n. Any of a group of polypeptides that are cysteine protease inhibitors.
- cysteine13n. A sulphur-containing nonessential amino acid C₃H₇NO₂S found in most...
- cystitis13n. Inflammation of the urinary bladder.
- cytidine14n. A nucleoside consisting of cytosine linked to ribose, occurring in...
- cytokine17n. Any of various small regulatory proteins that regulate the cells of the...
- cytology17n. The study of cells.
- cytosine13n. A heterocyclic base, 4-aminopyrimidin-2(1H)-one, which pairs with...
9-letter words that start with CY
- cyanamide17n. A chemical compound, NH₂CN; a white crystalline solid, soluble in...
- cyanotype19n. An early photographic process employing paper sensitized with a cyanide.
- cyberlife19n. Life in cyberspace or on the Internet, as opposed to real life, often...
- cyberpunk22n. A subgenre of science fiction which focuses on computer or information...
- cyberware19n. Hardware (or software) implanted in the body that interfaces with the...
- cyclamate18n. Any salt or ester of cyclamic acid, especially the sodium and calcium...
- cyclicity21n. The state of recurring at regular intervals; of being cyclic.
- cyclizine25n. An antiemetic drug used especially in the form of its hydrochloride...
- cycloidal17adj. Pertaining to or resembling a cycloid, or a circle.
- cyclopean18adj. Suggestive of a cyclops.
- cyclorama18n. A panoramic image displayed on the inside of a cylindrical canvas.
- cyclotron16n. An early particle accelerator in which charged particles were generated...
- cylindric17adj. Of or relating to cylinders; shaped like a cylinder.
- cymbidium21n. Any orchid of the genus Cymbidium.
- cynically19adv. In a cynical manner.
- cypionate16n. Any salt or ester of cypionic acid.
- cysteinyl17adj. Of, pertaining to, or derived from the amino acid cysteine.
- cystocele16n. Hernial intrusion of the bladder into the vagina, resulting from...
- cytokinin18n. Any of a class of plant hormones involved in cell growth and division.
- cytologic17adj. Of or relating to cytology.
- cytolytic19adj. Of or pertaining to cytolysis.
- cytometer16n. A graduated microscope slide or similar small vessel used for counting...
- cytometry19n. The measurement or the counting and classification of cells.
- cytoplasm18n. The contents of a cell except for the nucleus. It includes cytosol...
- cytosolic16adj. Of or pertaining to the cytosol.
- cytotoxic23adj. Of, relating to, or being a cytotoxin.
- cytotoxin21n. Any substance having a specific toxic effect on certain cells.
10-letter words that start with CY
- cyberbully22n. A bully who operates online, in cyberspace.
- cybercrime21n. Crime committed using computer networks.
- cyberknife24n. A robotic arm that performs radiosurgery (surgery using ionizing...
- cybernetic19adj. Of or relating to cybernetics—the mathematical study of communication...
- cyberpower22n. Power exerted in or through the Internet or cyberspace.
- cyberspace21n. A world of information accessed through the Internet.
- cyberverse20n. A cyber universe; cyberspace.
- cyberworld21n. The world of intercomputer communication.
- cyclically22adv. In a cyclic manner; in cycles; periodically.
- cyclocross19n. A form of bicycle racing consisting of many laps of a short course...
- cyclohexyl30n. The univalent radical derived from cyclohexane by the formal removal of...
- cyclopedic22adj. Belonging to the circle of the sciences, or to a cyclopedia.
- cyclospora19n. Cyclospora cayetanensis.
- cyclotomic21adj. Of, or relating to cyclotomy.
- cynomolgus18n. A long-tailed macaque (Macaca fascicularis), native to Asia, that feeds...
- cypherpunk26n. A person with an interest in encryption and privacy, especially one who...
- cysteamine17n. The simplest stable aminothiol, a degradation product of the amino acid...
- cystectomy22n. The removal of the bladder; the removal of a cyst.
- cystinosis15n. A disorder caused by abnormal metabolism of cystine.
- cystinuria15n. The presence of cystine in the urine.
- cystoscope19n. A form of endoscope used to examine the ureter and the bladder.
- cystoscopy22n. An endoscopy of the urinary bladder via the urethra.
- cytarabine17n. A cytotoxic antineoplastic agent C₉H₁₃N₃O₅ that is a synthetic isomer...
- cytochrome22n. Any of various related hemoproteins found in the cells of most...
- cytometric19adj. Of or pertaining to cytometry.
- cytopathic22adj. That damages or destroys cells.
- cytostatic17adj. Tending to inhibit the growth and multiplication of cells.
11-letter words that start with CY
- cyanidation17n. The extraction of gold or silver from their ores using the cyanide...
- cyanohydrin23n. Any compound having both a hydroxy and a cyanide functional group...
- cyberattack24n. An attack or intrusion by means of a computer network such as the...
- cybernetics20n. The theory/science of communication and control in living organisms or...
- cyberthreat21n. A threat posed by means of the Internet or cyberspace.
- cyclicality23n. The condition of being cyclic.
- cyclization27n. The process of cyclizing, of becoming or causing to become aromatic.
- cyclobutane20n. A simple alicyclic hydrocarbon, C₄H₈; a light inflammable gas.
- cyclohexane28n. An alicyclic hydrocarbon, C₆H₁₂, consisting of a ring of six carbon...
- cyclohexene28n. A cyclic hydrocarbon containing six carbon atoms and one double bond...
- cyclopaedia21n. The circle or compass of the arts and sciences (originally, of the...
- cyclophilin23n. Any of a class of proteins that bind to ciclosporin.
- cycloserine18n. A broad-spectrum antibiotic C₃H₆N₂O₂ produced by an actinomycete...
- cyclothymia26n. A chronic mental disturbance characterized by mood swings and...
- cyclothymic28adj. Of or pertaining to cyclothymia.
- cylindrical19adj. Shaped like a cylinder.
- cypripedium23n. A member of the orchid genus Cypripedium.
- cyproterone18n. A synthetic steroid C₂₂H₂₇ClO₃ that inhibits the action and secretion...
- cystadenoma19n. A hidrocystoma.
- cytogenetic19adj. Of or pertaining to the origin and development of cells.
- cytokeratin20n. Any of several forms of keratin found in the intracytoplasmic...
- cytokinesis20n. The process in which the cytoplasm of a cell divides following the...
- cytological19adj. Of, or relating to cytology or cytologists.
- cytoplasmic22adj. Of or pertaining to cytoplasm.
12-letter words that start with CY
- cyberculture21n. Internet culture; attitudes and behaviours in cyberspace.
- cyberdefense23n. Defense against internet attack.
- cyberwarfare25n. Warfare taking place on the Internet, as by disrupting critical online...
- cyclodextrin27n. Any of a class of cyclic oligosaccharides consisting of glucopyranose...
- cyclogenesis20n. The process which leads to the formation of tropical storms, cyclones...
- cyclopentane21n. An alicyclic hydrocarbon, C₅H₁₀; a volatile inflammable liquid...
- cyclopropane23n. The simplest alicyclic hydrocarbon, C₃H₆, an inflammable gas, sometimes...
- cynocephalus24n. A creature with the head of a dog or jackal and the body of a human.
- cypermethrin24n. A pyrethroid insecticide and acaricide.
- cytochalasin22n. Any of several related fungal metabolites that have an effect on...
- cytogenetics20n. The branch of genetics that studies the relationships between the...
- cytoskeletal21adj. Of or pertaining to a cytoskeleton.
- cytoskeleton21n. A matrix of intercellular protein, in the forms of microfilaments and...
- cytotoxicity29n. The property of being toxic to a cell.
13-letter words that start with CY
- cyanoacrylate23n. Any of a class of esters of cyanoacrylic acid that are used as instant...
- cyberbullying26n. Acts in cyberspace intended to make life unpleasant for another person.
- cybercriminal24n. A perpetrator of cybercrime.
- cybersecurity25n. Security against electronic attacks such as cyberwarfare or...
- cyberstalking25n. The use of electronic communications or tracking technologies to stalk...
- cycloaddition22n. An addition reaction that leads to the formation of a cyclic product.
- cyclohexanone30n. The alicyclic ketone obtained from cyclohexane by the replacement of a...
- cycloheximide33n. An agricultural fungicide produced by the bacterium Streptomyces...
- cylindrically24adv. In the manner of a cylinder.
- cystathionine21n. An intermediate, 2-amino-4-(2-amino-2-carboxy-ethyl) thio-butanoic...
- cysticercosis22n. A parasitic infestation of the voluntary muscles, lungs, central...
- cytopathology27n. The branch of pathology that deals with abnormalities of cells...
- cytoreductive24adj. Of, pertaining to, or leading to cytoreduction.
14-letter words that start with CY
- cyanobacterial23adj. Of or pertaining to the cyanobacteria.
- cyanobacterium25n. Any of very many photosynthetic prokaryotic microorganisms, of phylum...
- cyanocobalamin25n. A synthetic form of vitamin B₁₂ (cobalamin).
- cyberespionage24n. Espionage carried out by means of the Internet or in cyberspace.
- cybernetically26adv. In a cybernetic manner.
- cyberterrorism23n. The deliberate, large-scale disruption of networks of computers...
- cyclooxygenase32n. Any of several enzymes that catalyze a cyclooxygenation reaction, but...
- cyproheptadine27n. A particular antihistaminic, anticholinergic and antiserotonergic agent.
- cytoprotective26adj. That provides cytoprotection.
15-letter words that start with CY
- cyberpsychology36n. A subdiscipline of psychology concerned with the psychological effects...
- cyclobenzaprine35n. A particular antidepressant generally prescribed as an analgesic and...
- cyclopentadiene25n. An unsaturated alicyclic hydrocarbon, C₅H₆; it forms complexes with...
- cytomegalovirus26n. Any of several herpes viruses, of the genus Cytomegalovirus, that...
1,703 rare words that start with CY
- cyacetacide
- cyamelide
- cyamella
- cyamemazine
- cyamid
- cyamiid
- cyamodontid
- cyanase
- cyanated
- cyanation
- cyanato
- cyanaurate
- cyanazine
- cyanean
- cyaneid
- cyanelle
- cyaneous
- cyanescence
- cyanescent
- cyanidelike
- cyaniding
- cyanidiophyte
- cyanido
- cyanidol
- cyanimide
- cyanish
- cyanize
- cyanoacetamide
- cyanoacetate
- cyanoacetic
- cyanoacetyl
- cyanoacetylene
- cyanoacrylamide
- cyanoacrylic
- cyanoalkyl
- cyanoamino
- cyanobactin
- cyanobenzoate
- cyanobenzyl
- cyanobiont
- cyanobiphenyl
- cyanocarbon
- cyanochroite
- cyanochromone
- cyanocuprate
- cyanocycline
- cyanoethoxy
- cyanoethyl
- cyanoethylate
- cyanoethylation
- cyanoferrate
- cyanoform
- cyanoformate
- cyanogenesis
- cyanogenetic
- cyanoglobin
- cyanoglucoside
- cyanoglycoside
- cyanograph
- cyanographic
- cyanography
- cyanoguanide
- cyanoguanidine
- cyanohemoglobin
- cyanohydrazone
- cyanoimine
- cyanoketone
- cyanol
- cyanolichen
- cyanolipid
- cyanolysis
- cyanometallate
- cyanometer
- cyanomethane
- cyanomethyl
- cyanometric
- cyanometry
- cyanomorph
- cyanomyovirus
- cyanonickelate
- cyanopathic
- cyanopathy
- cyanope
- cyanopeptide
- cyanopeptolin
- cyanophage
- cyanophenyl
- cyanophil
- cyanophilia
- cyanophilic
- cyanophilous
- cyanophily
- cyanophobia
- cyanophore
- cyanophycean
- cyanophycin
- cyanophycinase
- cyanophyll
- cyanophyllite
- cyanophyte
- cyanopic
- cyanopically
- cyanopindolol
- cyanoplast
- cyanopodovirus
- cyanopolyyne
- cyanoprokaryote
- cyanopropyl
- cyanopsia
- cyanopyrethroid
- cyanopyridine
- cyanoquinoline
- cyanose
- cyanosed
- cyanosilylation
- cyanosiphovirus
- cyanosite
- cyanosponge
- cyanosulfidic
- cyanoticity
- cyanotoxin
- cyanotrichite
- cyanotrophic
- cyanotyping
- cyanovirin
- cyanthropy
- cyanurate
- cyanuret
- cyanuria
- cyanurin
- cyanylation
- cyaphide
- cyathaspid
- cyatheaceous
- cyathial
- cyathiform
- cyathin
- cyathium
- cyatholipid
- cyatholith
- cyathophyll
- cyathophylloid
- cyathostomin
- cyathus
- cyattie
- cyazofamid
- cybaeid
- cyberact
- cyberactive
- cyberactivism
- cyberactivist
- cyberactivity
- cyberaddict
- cyberaddiction
- cyberadvocacy
- cyberaffair
- cyberage
- cyberagency
- cyberagent
- cyberaggression
- cyberaggressor
- cyberanalyst
- cyberanarchism
- cyberanarchist
- cyberanarchy
- cyberanonymity
- cyberarmy
- cyberarsenal
- cyberart
- cyberartist
- cyberassault
- cyberasset
- cyberathlete
- cyberathletic
- cyberathletics
- cyberati
- cyberauction
- cyberaudience
- cyberawareness
- cyberbabe
- cyberbank
- cyberbanking
- cyberbarrier
- cyberbattle
- cyberbazaar
- cyberbeggar
- cyberbegging
- cyberbeing
- cyberblackmail
- cyberbole
- cyberbook
- cyberborder
- cyberbreach
- cyberbride
- cyberbridge
- cyberbuddy
- cyberbusiness
- cybercampaign
- cybercapital
- cybercapitalism
- cybercapitalist
- cybercash
- cybercasino
- cybercast
- cybercaster
- cybercelebrity
- cybercensor
- cybercensorship
- cybercentric
- cyberchat
- cyberchatter
- cybercheat
- cybercheating
- cyberchondria
- cyberchorus
- cyberchurch
- cybercide
- cybercitizen
- cybercity
- cyberclass
- cyberclassroom
- cyberclinic
- cybercloset
- cyberclub
- cyberclutter
- cybercolonial
- cybercolumn
- cybercolumnist
- cybercommand
- cybercommerce
- cybercommunism
- cybercommunity
- cybercommuter
- cybercommuting
- cyberconference
- cyberconflict
- cyberconspiracy
- cyberconstruct
- cyberconsumer
- cybercop
- cybercounseling
- cybercowboy
- cybercratic
- cybercreature
- cybercrew
- cybercritic
- cybercriticism
- cybercrud
- cybercult
- cybercultural
- cyberculturally
- cybercurrency
- cybercycle
- cyberczar
- cyberdate
- cyberdater
- cyberdating
- cyberdeath
- cyberdeck
- cyberdefamation
- cyberdefence
- cyberdefensive
- cyberdelia
- cyberdelic
- cyberdemocracy
- cyberdemocrat
- cyberdemocratic
- cyberdenizen
- cyberdetective
- cyberdiary
- cyberdildonics
- cyberdiscourse
- cyberdiscursive
- cyberdissidence
- cyberdissident
- cyberdiversity
- cyberdollar
- cyberdrama
- cyberdramatic
- cybereconomy
- cybereducation
- cyberelite
- cyberequivalent
- cybererotic
- cybererotica
- cyberese
- cyberethical
- cyberethics
- cyberetiquette
- cyberevent
- cyberexercise
- cyberexpert
- cyberexpertise
- cyberextortion
- cyberfame
- cyberfantasy
- cyberfashion
- cyberfeminism
- cyberfeminist
- cyberfeud
The first 300 are shown.
Questions about these words
- How many words that start with CY are there?
- Word.ws lists 184 words that start with CY, plus 1,703 rare ones.
- What are common words that start with CY?
- cycle, cycling, cylinder, cyber, cynical, cyclist, cyclone and cybersecurity.
- Which of the words that start with CY has the highest letter score?
- cyberpsychology scores 36 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 CY: 184 Words by Length.” Word.ws, https://word.ws/words/starting-with-cy. Based on Wiktionary, CC BY-SA 4.0.