- Counterculture
- Counterfoil
- Countermeasure
- Counterpoint
- Country
- Country-made
- Countryman
- Countryside
- County clerk
- County council
- Coup de theatre
- Coupled with
- Coupler
- Couplet
- Court of justice
- Courteously
- Couscous
- Covalent
- Covariance
- Coverlet
- Covert
- Covertures
- Covetously
- Cow
- Cow lick
- Cow sacrifice
- Cow-dung beetle
- Cow-herd-woman
- Cowardly
- Cowherds
- Cowhide
- Craftmanship
- Craftsmanship
- Crafty plan
- Craggy
- Crammer
- Cranberry
- Crank
- Cranky
- Crappy
- Crass
- Craving for food
- Creeping
- Cremate
- Crematory
- Crenellated
- Creosote
- Crescent
- Cress
- Cretinism
- Crew
- Cribbage
- Crick
- Crinoline
- Crises
- Criss-cross
- Criteria
- Critical time
- Critically
- Critter
- Crochet-work
- Crooked
- Crop circle
- Croquis
- Crore
- Cross breed
- Cross eye
- Cross the rubicon
- Cross-border
- Cross-check
- Cross-grained
- Cross-stitch
- Crossbar
- Crossbow
- Crossing
- Crotchet
- Croup
- Croupier
- Cruise control
- Crunk
- Crusade
- Crusader
- Crush
- Crushing
- Crutches
- Crux
- Cry for the moon
- Cry wolf
- Crystalline
- Crystallized
- Crystallography
- Ctrl
- Cubbyhole
- Cube
- Cubist
- Cubit
- Cuckoldress
- Cud
- Cuddlesome
- Cue