12-letter words containing a, c, u, s, o
- chapterhouse — the building attached to a cathedral, collegiate church, or religious house in which the chapter meets
- charlesbourg — city in S Quebec, Canada: pop. 71,000
- charnelhouse — Alternative form of charnel house.
- charterhouse — a Carthusian monastery
- chasmogamous — pertaining to or having pollination occur in a fully opened flower.
- chaulmoogras — Plural form of chaulmoogra.
- chestnut oak — any of several North American oaks, as Quercus prinus, having serrate or dentate leaves resembling those of the chestnut.
- chivalrously — having the qualities of chivalry, as courage, courtesy, and loyalty.
- chorus pedal — an electronic device that creates the effect of more than one sound from a single source by combining a short delay with slight deviations in pitch
- chorusmaster — the conductor of a choir
- choux pastry — a very light pastry made with eggs, used for eclairs, etc
- chylocaulous — having fleshy stems.
- cichoraceous — relating to plants of the sub-order Cichoraceae
- circulations — Plural form of circulation.
- cirrostratus — a uniform layer of cloud above about 6000 metres (20 000 feet)
- cladocarpous — pleurocarpous.
- cladosporium — any of the species of fungi in the genus Cladosporium
- clamourously — Archaic spelling of clamorously.
- clangorously — In a clangorous manner; ringingly.
- claustration — the act of confining to a small space (usually a cloister)
- close-hauled — with the sails flat, so as to sail as close to the wind as possible
- coal scuttle — A coal scuttle is a container for keeping coal in.
- cocaine bust — an arrest for the possession of cocaine
- colour phase — a seasonal change in the coloration of some animals
- colourations — Plural form of colouration.
- columbus day — Oct 12, a legal holiday in most states of the US: the date of Columbus' landing in the West Indies (Caribbean) in 1492
- comes around — to approach or move toward a particular person or place: Come here. Don't come any closer!
- comeuppances — Plural form of comeuppance.
- commensurate — If the level of one thing is commensurate with another, the first level is in proportion to the second.
- communicants — Plural form of communicant.
- communicates — Third-person singular simple present indicative form of communicate.
- commutations — Plural form of commutation.
- compulsative — compulsory
- compulsatory — compulsory
- computations — Plural form of computation.
- conclusional — the end or close; final part.
- conductances — Plural form of conductance.
- confucianism — the ethical system of Confucius, emphasizing moral order, the humanity and virtue of China's ancient rulers, and gentlemanly education
- confucianist — the system of ethics, education, and statesmanship taught by Confucius and his disciples, stressing love for humanity, ancestor worship, reverence for parents, and harmony in thought and conduct.
- confusticate — Slang. to confuse or perplex; bewilder.
- confutations — Plural form of confutation.
- conjugations — Plural form of conjugation.
- conjunctivas — Plural form of conjunctiva.
- conjurations — Plural form of conjuration.
- connaisseurs — Plural form of connaisseur.
- connubialism — the state of being married
- conquistador — The conquistadors were the sixteenth-century Spanish conquerors of Central and South America.
- consanguined — Of kindred blood; related.
- consensually — formed or existing merely by consent: a consensual transaction.
- constabulary — In Britain and some other countries, a constabulary is the police force of a particular area.