9-letter words containing o, r, k
- chop mark — a notch or other mark made in a coin to indicate verification of its authenticity, especially by a banker or merchant in the Far East during the 18th or 19th centuries.
- chowkidar — (in India) a watchman or gatekeeper.
- chromakey — (in colour television) a special effect in which a coloured background can be eliminated and a different background substituted
- classwork — school assignments done in the classroom
- cloakroom — In a public building, the cloakroom is the place where people can leave their coats, umbrellas, and so on.
- clockwork — A clockwork toy or device has machinery inside it which makes it move or operate when it is wound up with a key.
- co-worker — Your co-workers are the people you work with, especially people on the same job or project as you.
- coachwork — the design and manufacture of car bodies
- coatracks — Plural form of coatrack.
- cock rock — an aggressive style of rock music performed by male bands
- cockcroft — Sir John Douglas. 1897–1967, English nuclear physicist. With E. T. S. Walton, he produced the first artificial transmutation of an atomic nucleus (1932) and shared the Nobel prize for physics 1951
- cockerell — Sir Christopher Sydney. 1910–99, British engineer, who invented the hovercraft
- cockerels — Plural form of cockerel.
- cockering — Present participle of cocker.
- cockhorse — rocking horse
- cocklebur — any coarse weed of the genus Xanthium, having spiny burs: family Asteraceae (composites)
- cockroach — A cockroach is a large brown insect that is sometimes found in warm places or where food is kept.
- cockspurs — Plural form of cockspur.
- cokuloris — a palette with irregular holes, placed between lighting and camera to prevent glare
- cold work — the craft of shaping metal without heat
- cold-work — to work (metal) at a temperature below that at which recrystallization occurs.
- color-key — color-code.
- con trick — swindle
- cookeries — Plural form of cookery.
- cooldrink — (South Africa) soft drink.
- copybroke — (security) /kop'ee-brohk/ (Or "copywronged" - a play on "copyright") 1. Used to describe an instance of a copy-protected program that has been "broken"; that is, a copy with the copy-protection scheme disabled or removed. 2. Copy-protected software which is unusable because of some bit-rot or bug that has confused the copy protection. 3. Used to describe data damaged because of a side effect of a copy protection system.
- copytaker — (esp in a newspaper office) a person employed to type reports as journalists dictate them over the telephone
- core leak — memory leak
- coremaker — a person who makes cores for foundry molds.
- cork tree — the cork oak, Quercus suber, of the beech family.
- corkboard — a thin slab made of granules of cork, used as a floor or wall finish and as an insulator
- corkborer — a tool that cuts a hole in a stopper, allowing a glass tube to be inserted
- corkiness — the state of being corky
- corkingly — (informal) In a corking manner; splendidly.
- corkonian — a native or inhabitant of the city of Cork
- corkscrew — A corkscrew is a device for pulling corks out of bottles.
- corkwoods — Plural form of corkwood.
- corn cake — Midland and Southern U.S. a flat corn bread baked on a griddle.
- corn silk — the silky tuft of styles and stigmas at the tip of an ear of maize, formerly used as a diuretic
- corncrake — a common Eurasian rail, Crex crex, of fields and meadows, with a buff speckled plumage and reddish wings
- cornflake — Cornflakes are small flat pieces of maize that are eaten with milk as a breakfast cereal. They are popular in Britain and the United States.
- cornhusks — Plural form of cornhusk.
- cornstalk — a stalk or stem of corn
- cornstick — a corn muffin baked in the form of a small ear of corn.
- courtlike — reminiscent of the court in style or manner; elegant; courtly
- cow shark — any large primitive shark, esp Hexanchus griseum, of the family Hexanchidae of warm and temperate waters
- cowkeeper — (archaic) cowherd.
- coworkers — a fellow worker; colleague.
- crack off — to break without complete separation of parts; become fissured: The plate cracked when I dropped it, but it was still usable.
- crackdown — A crackdown is strong official action that is taken to punish people who break laws.