- Counterfeit note
- Counterpoise
- Countersign
- Counterstrike
- Countervailing
- Counting
- Countrified
- Country club
- Country-craft
- Coverage
- Coverity
- Covers
- Cow-dung
- Cow-dung heap
- Coward
- Cowcatcher
- Cowdung cake
- Cowherd
- Crazy
- Crc
- Creamy
- Create
- Creche
- Credence
- Credit
- Criminology
- Crimp
- Crinkly
- Cripple
- Crispbread
- Critic
- Criticise
- Crock
- Crockery
- Crocodile tears
- Crown princess
- Crowned
- Crucible
- Crucifixion
- Cruciform
- Crude
- Cruelly
- Crypt
- Crystalize
- Crystallisation
- Crystallization
- Cs
- Ct
- Cubbish
- Cube root
- Cubic
- Cubic contents
- Cubic foot
- Cuboid
- Cultural village
- Culvert
- Cumbersome
- Cummerbund
- Cumulus
- Cupid
- Cupids
- Cupids bow
- Cupping process
- Current password
- Cursor
- Curtal
- Curtsey
- Curtsy
- Curved knife
- Cut price
- Cut the gordian knot
- Cutler
- Cutter
- Cutting off
- Cyanide
- Cyberstalking
- Cycle
- Cyclical
- Callosity
- Cellulite
- Coarsely
- Cymbalist
- Conjunctivits
- Cornflour
- Coterminus
- Ccd
- Cabby
- Cachexia
- Cacophonous
- Cacophony
- Cacti
- Cactus
- Cad
- Caecilian
- Caesar
- Cahoots
- Calk
- Call at
- Call attention to
- Call back