- completely destroyed
- crushed down
- coal oil
- cymene
- chlorobenzene
- california yew
- coagulation factor
- clotting factor
- crap game
- cranny
- cocksucker
- chuck
- cancel out
- call box
- comparison
- cubbyhole
- compartment pressure
- cruiser
- compact car
- convertible
- chair car
- coach
- carrere
- carriage bolt
- carriage drawn by two horses
- canter
- camaraderie
- camas
- cliquish
- cote d'ivoire franc
- containerize
- containerise
- compress
- crowd together
- campy
- camp fire
- camp down
- coconspire
- camp out
- compline
- conjuration
- conjure away
- collude
- constable
- counterplot
- connive
- creationism
- church doctrine
- contextualism
- creed