9-letter words starting with CO
Embark on a linguistic journey with words that begin with the letter CO. This section showcases how CO at the start shapes the identity and sound of various words. From commonly used terms to rare finds, explore the diverse range of words that start with CO, enriching your vocabulary and appreciation for language.
| Word | Points | Definition | Sentence example |
|---|---|---|---|
| condition | 12 | the procedure that is varied in order to estimate a variable's effect by comparison with a control condition | - |
| concerned | 14 | involved in or affected by or having a claim to or share in | a memorandum to those concerned |
| community | 18 | a district where people live; occupied primarily by private residences | - |
| commander | 16 | an officer in the airforce | - |
| committed | 16 | associated in an exclusive sexual relationship | - |
| convinced | 17 | persuaded of; very sure | were convinced that it would be to their advantage to join |
| connected | 14 | being joined in close association | - |
| committee | 15 | a self-constituted organization to promote something | - |
| confirmed | 17 | having been established or made firm or received the rite of confirmation | confirmed reservations |
| colleague | 12 | an associate that one works with | - |
| confident | 15 | persuaded of; very sure | was confident he would win |
| communist | 15 | a socialist who advocates communism | - |
| complaint | 15 | (criminal law) a pleading describing some wrong or offense | - |
| continued | 12 | without stop or interruption | to insure the continued success of the war |
| completed | 16 | successfully completed or brought to an end | the completed project |
| corporate | 13 | done by or characteristic of individuals acting together | the corporate good |
| confusion | 14 | a feeling of embarrassment that leaves you confused | - |
| cooperate | 13 | work together on a common enterprise of project | - |
| conscious | 13 | intentionally conceived | a conscious effort to speak more slowly |
| confusing | 15 | lacking clarity of meaning; causing confusion or perplexity | sent confusing signals to Iraq |
| collected | 14 | in full control of your faculties | the witness remained collected throughout the cross-examination |
| companion | 15 | a traveler who accompanies you | - |
| collapsed | 14 | - | - |
| correctly | 16 | in an accurate manner | the flower had been correctly depicted by his son |
| counselor | 11 | a lawyer who pleads cases in court | - |
| continent | 11 | abstaining from sexual intercourse | - |
| collector | 13 | a person who collects things | - |
| contained | 12 | gotten under control | the oil spill is contained |
| conductor | 14 | the person who leads a musical group | - |
| container | 11 | any object that can be used to hold things (especially a large metal boxlike object of standardized dimensions that can be loaded from one form of transport to another) | - |
| courtroom | 13 | a room in which a lawcourt sits | television cameras were admitted in the courtroom |
| countless | 11 | too numerous to be counted | countless hours |
| converted | 15 | - | - |
| cockroach | 22 | any of numerous chiefly nocturnal insects; some are domestic pests | - |
| courtyard | 15 | an area wholly or partly surrounded by walls or buildings | - |
| constable | 13 | a police officer of the lowest rank | - |
| competing | 16 | - | - |
| communion | 15 | sharing thoughts and feelings | - |
| communism | 17 | a form of socialism that abolishes private ownership | - |
| countdown | 15 | counting backward from an arbitrary number to indicate the time remaining before some event (such as launching a space vehicle) | - |
| conceived | 17 | - | - |
| commotion | 15 | the act of making a noisy disturbance | - |
| consulate | 11 | diplomatic building that serves as the residence or workplace of a consul | - |
| concubine | 15 | a woman who cohabits with an important man | - |
| concluded | 15 | having come or been brought to a conclusion | - |
| concealed | 14 | not accessible to view | concealed (or hidden) damage |
| collision | 11 | (physics) a brief event in which two or more bodies come together | the collision of the particles resulted in an exchange of energy and a change of direction |
| construct | 13 | make by combining materials and parts | Some eccentric constructed an electric brassiere warmer |
| component | 15 | an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system | spare components for cars |
| corrected | 14 | having something undesirable neutralized | with glasses her corrected vision was 20:20 |
| coalition | 11 | the state of being combined into one body | - |
| corrupted | 14 | containing errors or alterations | spoke a corrupted version of the language |
| comparing | 16 | the act of examining resemblances | - |
| competent | 15 | adequate, but not outstanding or exceptional | a competent performance |
| compelled | 16 | - | - |
| consuming | 14 | very strong; urgently felt | politics is his consuming passion |
| commodity | 19 | articles of commerce | - |
| colourful | 14 | striking in variety and interest | - |
| consensus | 11 | agreement in the judgment or opinion reached by a group as a whole | the lack of consensus reflected differences in theoretical positions |
| councilor | 13 | - | - |
| copyright | 20 | a document granting exclusive right to publish and sell literary or musical or artistic work | - |
| concierge | 14 | a French caretaker of apartments or a hotel; lives on the premises and oversees people entering and leaving and handles mail and acts as janitor or porter | - |
| cowardice | 17 | the trait of lacking courage | - |
| conceited | 14 | characteristic of false pride; having an exaggerated sense of self-importance | a conceited fool |
| continuum | 13 | a continuous nonspatial whole or extent or succession in which no part or portion is distinct or distinguishable from adjacent parts | - |
| courteous | 11 | exhibiting courtesy and politeness | - |
| commissar | 15 | an official of the Communist Party who was assigned to teach party principles to a military unit | - |
| courtesan | 11 | a woman who cohabits with an important man | - |
| comforted | 17 | made comfortable or more comfortable in a time of distress | the news make her feel comforted |
| courtship | 16 | a man's courting of a woman; seeking the affections of a woman (usually with the hope of marriage) | its was a brief and intense courtship |
| composite | 15 | considered the most highly evolved dicotyledonous plants, characterized by florets arranged in dense heads that resemble single flowers | - |
| combining | 16 | the act of combining things to form a new whole | - |
| contender | 12 | the contestant you hope to defeat | - |
| contented | 12 | satisfied or showing satisfaction with things as they are | a contented smile |
| commodore | 16 | a commissioned naval officer who ranks above a captain and below a rear admiral; the lowest grade of admiral | - |
| conqueror | 20 | someone who is victorious by force of arms | - |
| computing | 16 | the procedure of calculating; determining something by mathematical or logical methods | - |
| cognitive | 15 | of or being or relating to or involving cognition | cognitive psychology |
| coastline | 11 | the outline of a coast | - |
| columbine | 15 | a plant of the genus Aquilegia having irregular showy spurred flowers; north temperate regions especially mountains | - |
| confessor | 14 | a priest who hears confession and gives absolution | - |
| condensed | 13 | - | - |
| conspired | 14 | - | - |
| corkscrew | 20 | a bottle opener that pulls corks | - |
| composing | 16 | the spatial property resulting from the arrangement of parts in relation to each other and to the whole | - |
| cortisone | 11 | a corticosteroid hormone (trade name Cortone Acetate) normally produced by the adrenal cortex; is converted to hydrocortisone | - |
| cornbread | 14 | bread made primarily of cornmeal | - |
| cornfield | 15 | a field planted with corn | - |
| consoling | 12 | affording comfort or solace | - |
| comprised | 16 | - | - |
| composure | 15 | steadiness of mind under stress | he accepted their problems with composure and she with equanimity |
| colliding | 13 | - | - |
| comforter | 16 | a person who commiserates with someone who has had misfortune | - |
| contrived | 15 | artificially formal | contrived coyness |
| confidant | 15 | someone to whom private matters are confided | - |
| contagion | 12 | an incident in which an infectious disease is transmitted | - |
| combatant | 15 | someone who fights (or is fighting) | - |
| columnist | 13 | a journalist who writes editorials | - |
| colonized | 21 | inhabited by colonists | - |
| conundrum | 14 | a difficult problem | - |
| conniving | 15 | acting with a specific goal | - |
| contusion | 11 | an injury that doesn't break the skin but results in some discoloration | - |
| congested | 13 | overfull as with blood | - |
| commenced | 18 | - | - |
| continual | 11 | having no interruptions | `continual' is often used interchangeably with `continuous' |
| compiling | 16 | the act of compiling (as into a single book or file or list) | the job of compiling the inventory took several hours |
| conferred | 15 | - | - |
| cosmonaut | 13 | a person trained to travel in a spacecraft | the Russians called their astronauts cosmonauts |
| corrosion | 11 | erosion by chemical action | - |
| coherence | 16 | the state of cohering or sticking together | - |
| combative | 18 | striving to overcome in argument | - |
| colouring | 12 | a digestible substance used to give color to food | - |
| cotillion | 11 | a lively dance originating in France in the 18th century | - |
| construed | 12 | - | - |
| coriander | 12 | parsley-like herb used as seasoning or garnish | - |
| colorless | 11 | weak in color; not colorful | - |
| collusion | 11 | agreement on a secret plot | - |
| cordially | 15 | in a hearty manner | - |
| copacetic | 17 | completely satisfactory | his smile said that everything was copacetic |
| conserved | 15 | protected from harm or loss | - |
| cosmology | 17 | the branch of astrophysics that studies the origin and evolution and structure of the universe | - |
| corrosive | 14 | of a substance, especially a strong acid; capable of destroying or eating away by chemical action | - |
| commuting | 16 | the travel of a commuter | - |
| colosseum | 13 | a large amphitheater in Rome whose construction was begun by Vespasian about AD 75 or 80 | - |
| converter | 14 | a device for changing one substance or form or state into another | - |
| conjoined | 19 | consisting of two or more associated entities | the interplay of these conjoined yet opposed factors |
| concourse | 13 | a large gathering of people | - |
| colostomy | 16 | a surgical operation that creates an opening from the colon to the surface of the body to function as an anus | - |
| conducive | 17 | tending to bring about; being partly responsible for | working conditions are not conducive to productivity |
| compliant | 15 | inclined to comply | children compliant with the parental will |
| contested | 12 | disputed or made the object of contention or competition | a contested election |
| conjugate | 19 | formed by the union of two compounds | a conjugated protein |
| conjuring | 19 | calling up a spirit or devil | - |
| consonant | 11 | in keeping | - |
| coincided | 15 | - | - |
| counseled | 12 | - | - |
| colonised | 12 | inhabited by colonists | - |
| conscript | 15 | someone who is drafted into military service | - |
| conveying | 18 | act of transferring property title from one person to another | - |
| connector | 13 | an instrumentality that connects | he didn't have the right connector between the amplifier and the speakers |
| confining | 15 | restricting the scope or freedom of action | - |
| configure | 15 | set up for a particular purpose | configure my new computer |
| correlate | 11 | either of two or more related or complementary variables | - |
| communing | 16 | - | - |
| cormorant | 13 | large voracious dark-colored long-necked seabird with a distensible pouch for holding fish; used in Asia to catch fish | - |
| convincer | 16 | - | - |
| committal | 15 | the act of committing a crime | - |
| congenial | 12 | suitable to your needs | a congenial atmosphere to work in |
| condoning | 13 | - | - |
| cockfight | 24 | a match in a cockpit between two fighting cocks heeled with metal gaffs | - |
| condenser | 12 | lens used to concentrate light on an object | - |
| constancy | 16 | the quality of being enduring and free from change or variation | early mariners relied on the constancy of the trade winds |
| coffeepot | 19 | tall pot in which coffee is brewed | - |
| converged | 16 | - | - |
| conserves | 14 | fruit preserved by cooking with sugar | - |
| condiment | 14 | a preparation (a sauce or relish or spice) to enhance flavor or enjoyment | mustard and ketchup are condiments |
| countable | 13 | that can be counted | countable sins |
| concerted | 14 | involving the joint activity of two or more | concerted action |
| cognizant | 21 | (sometimes followed by `of') having or showing knowledge or understanding or realization or perception | - |
| confiding | 16 | willing to entrust personal matters | first she was suspicious, then she became confiding |
| corporeal | 13 | affecting or characteristic of the body as opposed to the mind or spirit | corporeal suffering |
| corollary | 14 | a practical consequence that follows naturally | blind jealousy is a frequent corollary of passionate love |
| colluding | 13 | - | - |
| copasetic | 15 | completely satisfactory | - |
| congealed | 13 | congealed into jelly; solidified by cooling | in Georgia they serve congealed salads |
| coagulant | 12 | an agent that produces coagulation | - |
| complying | 19 | - | - |
| convening | 15 | the act of convening | - |
| conversed | 15 | - | - |
| cookhouse | 18 | the area for food preparation on a ship | - |
| coagulate | 12 | change from a liquid to a thickened or solid state | coagulated blood |
| coalesced | 14 | joined together into a whole | - |
| cockscomb | 23 | a conceited dandy who is overly impressed by his own accomplishments | - |
| concurred | 14 | - | - |
| constrain | 11 | to close within bounds, or otherwise limit or deprive of free movement | - |
| constrict | 13 | become tight or as if tight | Her throat constricted |
| concealer | 13 | - | - |
| collegial | 12 | of or resembling or typical of a college or college students | - |
| combating | 16 | - | - |
| courgette | 12 | small cucumber-shaped vegetable marrow; typically dark green | - |
| conceding | 15 | the act of conceding or yielding | - |
| corpulent | 13 | excessively fat | - |
| cointreau | 11 | - | - |
| cornflake | 18 | - | - |
| colloidal | 12 | of or relating to or having the properties of a colloid | - |
| coltsfoot | 14 | tufted evergreen perennial herb having spikes of tiny white flowers and glossy green round to heart-shaped leaves that become coppery to maroon or purplish in fall | - |
| couturier | 11 | someone who designs clothing | - |
| cockiness | 17 | offensive boldness and assertiveness | - |
| costliest | 11 | - | - |
| cognition | 12 | the psychological result of perception and learning and reasoning | - |
| collating | 12 | - | - |
| convivial | 17 | occupied with or fond of the pleasures of good company | a convivial atmosphere at the reunion |
| copulated | 14 | - | - |
| concisely | 16 | in a concise manner; in a few words | the history is summed up concisely in this book |
| corticoid | 14 | a steroid hormone produced by the adrenal cortex or synthesized; administered as drugs they reduce swelling and decrease the body's immune response | - |
| corroding | 13 | erosion by chemical action | - |
| corralled | 12 | - | - |
| corduroys | 15 | cotton trousers made of corduroy cloth | - |
| cookstove | 18 | a stove for cooking (especially a wood- or coal-burning kitchen stove) | - |
| comically | 18 | in a comical manner | the tone was comically desperate |
| connexion | 18 | the process of bringing ideas or events together in memory or imagination | - |
| cochineal | 16 | Mexican red scale insect that feeds on cacti; the source of a red dye | - |
| comradely | 17 | heartily friendly and congenial | - |
| coruscant | 13 | having brief brilliant points or flashes of light | - |
| corrupter | 13 | - | - |
| cofounder | 15 | one of a group of founders | - |
| contorted | 12 | twisted (especially as in pain or struggle) | his mad contorted smile |
| cornstalk | 15 | the stalk of a corn plant | - |
| companied | 16 | - | - |
| colonnade | 12 | a structure composed of a series of arches supported by columns | - |
| coonhound | 15 | any of several breeds of hound developed for hunting raccoons | - |
| combatted | 16 | - | - |
| congruity | 15 | the quality of agreeing; being suitable and appropriate | - |
| confluent | 14 | a branch that flows into the main stream | - |
| coarsened | 12 | made coarse or crude by lack of skill | - |
| coachable | 18 | - | - |
| cockhorse | 20 | anything used as a toy horse (such as a rocking horse or one knee of an adult) | - |
| costuming | 14 | - | - |
| codifying | 19 | - | - |
| contently | 14 | - | - |
| corruptor | 13 | - | - |
| cognisant | 12 | (sometimes followed by `of') having or showing knowledge or understanding or realization or perception | - |
| continuer | 11 | - | - |
| contralto | 11 | of or being the lowest female voice | - |
| contumacy | 18 | obstinate rebelliousness and insubordination; resistance to authority | - |
| cornicing | 14 | - | - |
| convulsed | 15 | - | - |
| collusive | 14 | acting together in secret toward a fraudulent or illegal end | - |
| collyrium | 16 | lotion consisting of a solution used as a cleanser for the eyes | - |
| copiously | 16 | in an abundant manner | - |
| coralline | 11 | - | - |
| congruous | 12 | corresponding in character or kind | - |
| conically | 16 | in a conical manner | conically shaped |
| conicines | 13 | - | - |
| coniology | 15 | - | - |
| conjected | 21 | - | - |
| conjeeing | 19 | - | - |
| conjoiner | 18 | - | - |
| conjugant | 19 | - | - |
| conjuncts | 20 | - | - |
| conjuntos | 18 | - | - |
| conjurers | 18 | - | - |
| conjuries | 18 | - | - |
| conjurors | 18 | - | - |
| conlanger | 12 | - | - |
| connately | 14 | - | - |
| connation | 11 | - | - |
| connature | 11 | - | - |
| connecter | 13 | an instrumentality that connects | - |
| connexive | 21 | - | - |
| connivent | 14 | - | - |
| connivers | 14 | - | - |
| connivery | 17 | - | - |
| connotate | 11 | - | - |
| connoting | 12 | - | - |
| connotive | 14 | - | - |
| connubial | 13 | of or relating to marriage or to the relationship between a wife and husband | connubial bliss |
| conodonts | 12 | - | - |
| conominee | 13 | - | - |
| conquered | 21 | - | - |
| conquerer | 20 | - | - |
| conquests | 20 | - | - |
| conquians | 20 | - | - |
| conscient | 13 | - | - |
| conscribe | 15 | - | - |
| consented | 12 | - | - |
| consenter | 11 | - | - |
| conserver | 14 | - | - |
| considers | 12 | - | - |
| consigned | 13 | - | - |
| consignee | 12 | the person to whom merchandise is delivered over | - |
| consigner | 12 | the person who delivers over or commits merchandise | - |
| consignor | 12 | the person who delivers over or commits merchandise | - |
| consisted | 12 | - | - |
| consocies | 13 | - | - |
| consolate | 11 | - | - |
| consolers | 11 | - | - |
| consolute | 11 | - | - |
| consommes | 15 | - | - |
| consonous | 11 | - | - |
| consorted | 12 | - | - |
| consorter | 11 | - | - |
| consortia | 11 | - | - |
| conspirer | 13 | - | - |
| conspires | 13 | - | - |
| conspuing | 14 | - | - |
| constants | 11 | - | - |
| constated | 12 | - | - |
| constates | 11 | - | - |
| constered | 12 | - | - |
| construal | 11 | an interpretation of the meaning of something; the act of construing | - |
| construer | 11 | - | - |
| construes | 11 | - | - |
| consulage | 12 | - | - |
| consulars | 11 | - | - |
| consultas | 11 | - | - |
| consulted | 12 | - | - |
| consultee | 11 | - | - |
| consulter | 11 | - | - |
| consultor | 11 | - | - |
| consumers | 13 | - | - |
| consumpts | 15 | - | - |
| contacted | 14 | - | - |
| contactee | 13 | - | - |
| contactor | 13 | - | - |
| contadina | 12 | - | - |
| contadine | 12 | - | - |
| contadini | 12 | - | - |
| contadino | 12 | an Italian farmer | - |
| contagium | 14 | - | - |
| contangos | 12 | - | - |
| contemned | 14 | - | - |
| contemner | 13 | - | - |
| contemnor | 13 | - | - |
| contemper | 15 | - | - |
| contempts | 15 | - | - |
| contended | 13 | - | - |
| contessas | 11 | - | - |
| contester | 11 | someone who contests an outcome (of a race or an election etc.) | - |
| conticent | 13 | - | - |
| continues | 11 | - | - |
| continuos | 11 | - | - |
| contlines | 11 | - | - |
| contornos | 11 | - | - |
| contoured | 12 | - | - |
| contracts | 13 | - | - |
| contrails | 11 | - | - |
| contralti | 11 | - | - |
| contrasts | 11 | - | - |
| contrasty | 14 | having sharp differences between black and white | - |
| contrists | 11 | - | - |
| contriver | 14 | a person who makes plans | - |
| contrives | 14 | - | - |
| controuls | 11 | - | - |
| contumely | 16 | a rude expression intended to offend or hurt | - |
| contunded | 13 | - | - |
| contusing | 12 | - | - |
| contusive | 14 | - | - |
| conurbias | 13 | - | - |
| convected | 17 | - | - |
| convector | 16 | a space heater that transfers heat to the surrounding air by convection | - |
| conveners | 14 | - | - |
| convenors | 14 | - | - |
| convented | 15 | - | - |
| converges | 15 | - | - |
| converser | 14 | - | - |
| converses | 14 | - | - |
| conversos | 14 | - | - |
| convertor | 14 | a device for changing one substance or form or state into another | - |
| convexing | 22 | - | - |
| convexity | 24 | a shape that curves or bulges outward | - |
| conveyals | 17 | - | - |
| conveyers | 17 | - | - |
| conveyors | 17 | - | - |
| convicted | 17 | - | - |
| convinces | 16 | - | - |
| conviving | 18 | - | - |
| convocate | 16 | - | - |
| convokers | 18 | - | - |
| convoking | 19 | - | - |
| convolute | 14 | rolled longitudinally upon itself | a convolute petal |
| convolved | 18 | - | - |
| convolves | 17 | - | - |
| convoying | 18 | - | - |
| convulses | 14 | - | - |
| cookables | 17 | - | - |
| cookbooks | 21 | - | - |
| cookeries | 15 | - | - |
| cookmaids | 18 | - | - |
| cookrooms | 17 | - | - |
| cookshack | 24 | - | - |
| cookshops | 20 | - | - |
| cookwares | 18 | - | - |
| coolabahs | 16 | - | - |
| coolamons | 13 | - | - |
| cooldowns | 15 | - | - |
| coolhouse | 14 | - | - |
| coolibahs | 16 | - | - |
| coolibars | 13 | - | - |
| coolingly | 15 | - | - |
| coonshits | 14 | - | - |
| coonskins | 15 | - | - |
| cooperage | 14 | - | - |
| cooperies | 13 | - | - |
| coopering | 14 | - | - |
| cooptions | 13 | - | - |
| coordinal | 12 | - | - |
| coorieing | 12 | - | - |
| coosening | 12 | - | - |
| coosining | 12 | - | - |
| cootching | 17 | - | - |
| cootikins | 15 | - | - |
| coparceny | 18 | - | - |
| coparents | 13 | - | - |
| copartner | 13 | a joint partner (as in a business enterprise) | - |
| copastors | 13 | - | - |
| copataine | 13 | - | - |
| copatriot | 13 | - | - |
| copatrons | 13 | - | - |
| copayment | 18 | - | - |
| copemates | 15 | - | - |
| copesetic | 15 | completely satisfactory | - |
| copestone | 13 | a stone that forms the top of wall or building | - |
| copiloted | 14 | - | - |
| countably | 16 | - | - |
| corsleted | 12 | - | - |
| corticate | 13 | - | - |
| corticose | 13 | - | - |
| cortisols | 11 | - | - |
| corundums | 14 | - | - |
| coruscate | 13 | reflect brightly | - |
| corveting | 15 | - | - |
| corvetted | 15 | - | - |
| corvettes | 14 | - | - |
| corybants | 16 | - | - |
| corydalis | 15 | annual or perennial herbs of Himalayan China and South Africa | - |
| coryluses | 14 | - | - |
| corymbose | 18 | resembling a corymb | - |
| corymbous | 18 | - | - |
| coryphaei | 19 | - | - |
| coryphees | 19 | - | - |
| coryphene | 19 | - | - |
| coscripts | 15 | - | - |
| cosecants | 13 | - | - |
| coseismal | 13 | being where earthquake waves arrive simultaneously | - |
| coseismic | 15 | being where earthquake waves arrive simultaneously | - |
| cosherers | 14 | - | - |
| cosheries | 14 | - | - |
| coshering | 15 | - | - |
| cosigners | 12 | - | - |
| cosigning | 13 | - | - |
| cosmetics | 15 | - | - |
| cosmocrat | 15 | - | - |
| cosmogeny | 17 | the branch of astrophysics that studies the origin and evolution and structure of the universe | - |
| cosmogony | 17 | the branch of astrophysics that studies the origin and evolution and structure of the universe | - |
| cosmoline | 13 | - | - |
| cosmorama | 15 | - | - |
| cosmotron | 13 | a large proton synchrotron; uses frequency modulation of an electric field to accelerate protons | - |
| cosphered | 17 | - | - |
| cosponsor | 13 | sponsor together with another sponsor | - |
| cosseting | 12 | - | - |
| cossetted | 12 | - | - |
| costalgia | 12 | pain in the chest caused by inflammation of the muscles between the ribs | - |
| costarred | 12 | - | - |
| costeaned | 12 | - | - |
| costively | 17 | - | - |
| costotomy | 16 | - | - |
| costumers | 13 | - | - |
| costumery | 16 | - | - |
| costumier | 13 | someone who designs or supplies costumes (as for a play or masquerade) | - |
| cotangent | 12 | ratio of the adjacent to the opposite side of a right-angled triangle | - |
| cotelette | 11 | - | - |
| cotelines | 11 | - | - |
| cotenancy | 16 | - | - |
| cotenants | 11 | - | - |
| cothurnal | 14 | - | - |
| cothurnus | 14 | - | - |
| coticular | 13 | - | - |
| cotillons | 11 | - | - |
| cotinines | 11 | - | - |
| cotqueans | 20 | - | - |
| cotrustee | 11 | - | - |
| cottagers | 12 | - | - |
| cottagier | 12 | - | - |
| cottaging | 13 | - | - |
| cottering | 12 | - | - |
| cottising | 12 | - | - |
| cottonade | 12 | - | - |
| cottonier | 11 | - | - |
| cottoning | 12 | - | - |
| cotyledon | 15 | embryonic leaf in seed-bearing plants | - |
| cotyloids | 15 | - | - |
| couchette | 16 | a compartment on a European passenger train; contains 4 to 6 berths for sleeping | - |
| couchings | 17 | - | - |
| coughings | 16 | - | - |
| coulibiac | 15 | - | - |
| coulisses | 11 | - | - |
| coulombic | 17 | - | - |
| coumarins | 13 | - | - |
| coumarone | 13 | a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins | - |
| coumarous | 13 | - | - |
| counselee | 11 | - | - |
| covetable | 16 | - | - |
| cowhouses | 17 | - | - |
| cowhiding | 19 | - | - |
| cowheards | 18 | - | - |
| cowfishes | 20 | - | - |
| cowfeeder | 18 | - | - |
| cowboying | 20 | - | - |
| cowarding | 16 | - | - |
| cowabunga | 17 | - | - |
| covetises | 14 | - | - |
| coverlids | 15 | - | - |
| coveralls | 14 | - | - |
| coverings | 15 | - | - |
| coverless | 14 | - | - |
| coverlets | 14 | - | - |
| coverslip | 16 | - | - |
| coverture | 14 | - | - |
| covertest | 14 | - | - |
