10-letter words containing o, c, a, s
- cistaceous — of, relating to, or belonging to the Cistaceae, a family of shrubby or herbaceous plants that includes the rockroses
- citronalis — lemon verbena.
- cladograms — Plural form of cladogram.
- clamourous — Archaic spelling of clamorous.
- clampdowns — Plural form of clampdown.
- clangorous — a loud, resonant sound; clang.
- clanswoman — a woman belonging to a clan
- clapboards — Plural form of clapboard.
- class book — a book published by members of a school or college class, containing pictures of students and teachers, an account of student activities, etc.
- classrooms — Plural form of classroom.
- clay stone — argillite.
- claystones — argillite.
- clearstory — clerestory
- clinostats — Plural form of clinostat.
- clipboards — Plural form of clipboard.
- clistocarp — cleistothecium.
- cloakrooms — Plural form of cloakroom.
- close call — a narrow escape from danger
- clostridia — Plural form of clostridium.
- cloth ears — a deaf person
- cloud base — the apparent lower surface of a cloud or cloud layer.
- cloudscape — a picturesque formation of clouds
- cnidoblast — any of the cells of a coelenterate that contain nematocysts
- coachloads — Plural form of coachload.
- coadjutors — Plural form of coadjutor.
- coagulants — Plural form of coagulant.
- coagulases — Plural form of coagulase.
- coagulates — Third-person singular simple present indicative form of coagulate.
- coal basin — a part of the earth's surface consisting of coal strata that slope down to a common centre
- coalescent — to grow together or into one body: The two lakes coalesced into one.
- coalescing — Present participle of coalesce.
- coalfields — Plural form of coalfield.
- coalitions — Plural form of coalition.
- coalmaster — the owner of a colliery
- coarseness — composed of relatively large parts or particles: The beach had rough, coarse sand.
- coarsening — Present participle of coarsen.
- coasterize — to ruin (a CD), esp while attempting to burn music, etc on to it, thus rendering it useful only as a drinks coaster
- coastguard — A coastguard is an official who watches the sea near a coast in order to get help for sailors when they need it and to stop illegal activities.
- coastlands — Plural form of coastland.
- coastlines — Plural form of coastline.
- coastwards — in the direction of the coast
- coat dress — a lightweight button-through garment that can be worn either as a dress or as a coat
- coat-tails — Coat-tails are the two long pieces at the back of a tailcoat.
- coatsworth — Elizabeth, 1893–1986, U.S. writer, especially of children's books.
- cobb salad — a salad consisting mainly of chopped lettuce, chicken, cheddar, egg, bacon, avocado, vinaigrette, and blue cheese
- cocatalyst — a substance that acts in tandem with another as a catalyst
- cockatiels — Plural form of cockatiel.
- cockteaser — a girl or woman who purposely excites or arouses a male sexually but then refuses to have intercourse.
- codswallop — If you describe something that someone has just said as codswallop, you mean that you think it is nonsense.
- coenosarcs — Plural form of coenosarc.