- clustering
- carapace
- cosmic dust
- crematorium
- convention
- Castor
- chamois
- commonalty
- constriction
- coarctation
- concha
- canal
- Christmas
- chauvinism
- curie
- current
- cassette tape
- charming
- concrete
- conjurer
- combined
- complex
- Cerberus
- cubicle
- cubic centimetre
- chrome
- central
- Canada balsam
- classify
- collateral
- consonance
- concordant
- carotid artery
- childbed
- cardinal vein
- curt
- chap
- chapel
- chunk
- clump
- casuarina
- cinchona
- carcinoma
- cookie
- cavil
- chastise
- chiding
- complaisant
- clarity
- committal