- clutches
- coast
- coast of coromandal
- coastguard
- coat
- coax
- coefficient
- coerce
- coffee house
- coffee plant
- coffer
- coin
- coin money
- coitus
- cola
- cold frame
- cold snap
- cold sore
- collective farm
- collectorate
- collide
- colloquial usage
- collusiveness
- colonisation
- colonise
- come into or enter one's head
- come short of
- come thick and fast
- common cold
- common ground
- companion
- compared
- comparison
- compartmentalize
- compass
- compassion
- compassionate allowance
- compatible
- cull
- complaisant
- complement
- completely
- complexity
- comprehend
- comprehension
- compressor
- compulsion
- compulsory
- computer
- condensate
- condescend
- condescending
- conditional
- confession
- confessional
- confetti
- confidant, confidante
- confidential
- confidentially
- congregation
- conical
- conjectual
- conjecture
- conjencture
- contagion
- container
- contemnor
- continuum
- contraception
- contractile
- contumaciousness
- conundrum
- convalescence
- convection
- convenient
- convenor
- converge
- cooperate
- cooperation
- coral island
- cordite
- coreldraw
- coriander leaves
- cork
- coronet
- corporal
- corrective
- corresponding
- cotton plant
- cotton up
- cougar
- could
- coulter
- coumarone
- council
- council board
- counsellor
- counter check
- counterpoint
- country dance