7-letter words containing a, c, o
- chaeto- — hair or bristles
- chalco- — indicating copper or a copper alloy
- chalone — any internal secretion that inhibits a physiological process or function
- chalons — a city in NE France, on the River Marne: scene of Attila's defeat by the Romans (451 ad). Pop: 47 339 (1999)
- chamiso — an evergreen shrub with yellow-green flowers native to the western United States
- chamois — Chamois are small animals rather like goats that live in the mountains of Europe and South West Asia.
- chamoix — an agile, goatlike antelope, Rupicapra rupicapra, of high mountains of Europe: now rare in some areas.
- chan op — channel op
- chanops — Plural form of chanop.
- chanoyu — a Japanese ceremony at which tea is prepared, served, and taken with an ancient and involved ritual.
- chanson — a song
- chao'an — former name of Chaozhou.
- chaoses — Plural form of chaos.
- chaotic — Something that is chaotic is in a state of complete disorder and confusion.
- charcot — Jean Martin (ʒɑ̃ martɛ̃). 1825–93, French neurologist, noted for his attempt using hypnotism to find an organic cause for hysteria, which influenced Freud
- chariot — In ancient times, chariots were fast-moving vehicles with two wheels that were pulled by horses.
- charlot — Jean [jeen;; French zhahn] /dʒin;; French ʒɑ̃/ (Show IPA), 1898–1979, U.S. painter, lithographer, and illustrator; born in France and active in Mexico.
- charpoy — a bedstead of woven webbing or hemp stretched on a wooden frame on four legs, common in India
- chatbot — a computer program in the form of a virtual e-mail correspondent that can reply to messages from computer users
- chayote — a tropical American cucurbitaceous climbing plant, Sechium edule, that has edible pear-shaped fruit enclosing a single enormous seed
- chicago — a port in NE Illinois, on Lake Michigan: the third largest city in the US; it is a major railway and air traffic centre. Pop: 2 869 121 (2003 est)
- chicano — A chicano is an American citizen, whose family originally came from Mexico.
- chkalov — former name of Orenburg.
- chloral — a colourless oily liquid with a pungent odour, made from chlorine and acetaldehyde and used in preparing chloral hydrate and DDT; trichloroacetaldehyde
- chobdar — a macebearer or attendant of a king or eminent dignitary in India
- choctaw — a member of a Native American people of Alabama
- chogyal — the title of the ruler of Sikkim
- cholate — a cholic acid salt
- cholera — Cholera is a serious disease that often kills people. It is caused by drinking infected water or by eating infected food.
- chollas — Plural form of cholla.
- cholula — a town in S Mexico, in Puebla state: ancient ruins, notably a pyramid, 53 m (177 ft) high. Pop: 82 964 (2005)
- chorale — A chorale is a piece of music sung as part of a church service.
- chorals — Plural form of choral.
- chordal — of, relating to, or resembling a chord.
- chorial — Embryology. the outermost of the extraembryonic membranes of land vertebrates, contributing to the formation of the placenta in the placental mammals.
- chronal — Of or pertaining to time.
- ciboria — Plural form of ciborium.
- cinamon — Misspelling of cinnamon.
- cinzano — an Italian vermouth
- cipango — (in medieval legend) an island E of Asia: called Zipangu by Marco Polo and sought by Columbus; identified with Japan
- citator — a legal publication listing cases and statutes, their history and current status
- clacton — a town and resort in SE England, in E Essex. Pop: 51 284 (2001)
- cladode — a flattened stem resembling and functioning as a leaf, as in butcher's-broom
- clamors — Plural form of clamor.
- clamour — If people are clamouring for something, they are demanding it in a noisy or angry way.
- clangor — A clangor is a loud or harsh noise.
- clap on — to don hastily
- clapton — Eric. born 1945, British rock guitarist, noted for his virtuoso style, his work with the Yardbirds (1963–65), Cream (1966–68), and, with Derek and the Dominos, the album Layla (1970); later solo work includes Unplugged (1992)
- clarino — of or relating to a high passage for the trumpet in 18th-century music
- clarion — a four-foot reed stop of trumpet quality on an organ