- Creed
- 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
- Crouton
- Crowing
- Crowning
- Crupper
- Crude castor oil
- Crudites
- Crudity
- Cruel
- Cubs
- 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
- Cull
- Culprit
- Cultivable
- Cultivate
- Cultivated land
- Cumber
- Cunning
- Cunning person
- Cunningly
- Cunt
- Cup
- Cup final
- Cup-cake
- Cupboard
- Cupful
- Cupids arrow
- Cur
- Curacy
- Curd
- Curdled milk
- Curds
- Cure-all
- Curing house
- Curious
- Curl
- Curr
- Current
- Curved line
- Cuscus
- Cushy
- Cusp
- Cuspidor