- Cooptation
- Coordinate clause
- Coordination
- Coorg
- Cop
- Coparcenary
- Coparcener
- Coppery
- Coprolite
- Cormorant person
- Corned beef
- Corner
- Corner shop
- Corners
- Corners of the mouth
- Cornerstone
- Cornflower
- Corniche
- Cornish pasty
- Corollary
- Coronet
- Corporal
- Corporal punishment
- Corrosive
- Corrugated
- Corrupt
- Corrupt form of sri bhagavathi
- Corrupted
- Corruption
- Corset
- Cortege
- Cortisol
- Cosmetic powder
- Cosmonaut
- Cosmopolitanism
- Cost-cutting
- Costermonger
- Costly
- Costume
- Costume designer
- Costumer
- Costus
- Cot
- Coterminous
- Cottage
- Cottage industry
- Cotter
- Cotton planks
- Cotyledon
- Couch
- Couchant
- Could
- Coulter
- Counter-productive
- Counteract
- Counteraction
- Counterculture
- Counterfoil
- Countermeasure
- Counterpoint
- Country
- Country-made
- Countryman
- Countryside
- County clerk
- County council
- Coverlet
- Covert
- Covertures
- Covetously
- Cow
- Cow lick
- Cow sacrifice
- Cow-dung beetle
- Cow-herd-woman
- Cowardly
- Cowherds
- Cowhide
- Cowry
- Cows milk
- Cowshed
- Coxcomb
- Coyly
- Coyote
- Crab-apple
- Crabbed
- Crack up
- Crackdown
- Cracking
- Cracking of finger joints
- Crackpot
- Cradle
- Creak
- Creaking noise
- Creaky
- Creater
- Creational
- Creatively
- Creature
- Credentials