- corbiestep
- clark standard cell
- corbett
- clary
- Congo franc
- Central African Republic franc
- Cameroon franc
- Chadian franc
- Cerastes cornutus
- common viper
- cerastes
- celtic
- Celtic language
- Celt
- comic
- court order
- chinese mustard
- cassius
- cassius longinus
- catullus
- celebration
- coltsfoot
- cup fungus
- clivers
- catchweed
- chivalrously
- chivalry
- courtesy
- carrack
- carack
- chafed
- cordial
- chachalaca
- curassow
- columbiform bird
- congius
- cantering rhythm
- cardiac arrhythmia
- chicken
- cape hyacinth
- crap_shooter
- crapshooter
- casino
- craps
- child's game
- curling
- combatant
- club drug
- common milkwort
- combat