- cavalier
- cavalry officer
- cave painting
- caveat
- cavern
- caviar
- ception
- ceramics
- cesspool
- cestus
- cetology
- chain of waves
- chain reactor
- channa dal
- channelize
- chap
- chap book
- chap labour
- chapter
- chapter and verse
- chapter of accidents
- chase someone up, chase something up
- chasm
- chasmogamic
- cheek
- cheer someone on
- cheerful
- cheetah
- chemical hazards
- chemical warfare
- chequered cloth
- chernozem
- chilean gurilla leader
- chilled water
- chimera
- chimney
- choice
- chooser
- chop
- christo
- chromium
- chronic
- chronis
- chronological
- chrysophilist
- chukle
- churning stick
- cider-press
- cigarette
- city-gate
- civil defence
- civil servant
- civility
- clarify
- class
- clatter
- claw
- clax of brass
- clay cart
- clean-cut
- clean-shaved head
- cleanse
- clergyman, clergywoman
- clerical
- clever feat
- cleverness
- clich
- clitoria
- cloaca
- clod
- closet
- clot
- clot buster
- cloth
- clothes
- co-brother
- co-dining
- co-respondent
- coal tar
- coalesce
- cockade
- cockatoo
- cocksure
- coconut
- coconut tree
- cogent
- cognition
- cognizance
- cohort
- colicky
- collagen
- collect
- collected
- collectible
- collection
- colonist
- coloquial
- colorful
- colour brine
- colour line