- Cookbook
- Cornflake
- Cooker
- Cookie
- Cooking vessel
- Cool mind
- Copulation
- Copy
- Copycat
- Copyright
- Copywriter
- Cor
- Coracle
- Corbel
- Cordon
- Corduroys
- Corgi
- Corm
- Corporatization
- Correction
- Correction deed
- Correctly
- Correctness
- Correlative
- Correspondent
- Corresponding
- Corrigendum
- Corroborative
- Corroboratory
- Corrode
- Cost-benefit
- Costs
- Costume jewellery
- Cosy
- Cottager
- Cotton up
- Counter-intelligence
- Counter-tenor
- Counterfeit
- 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
- Cowl
- Cowpea pods
- Cows
- Coxswain
- Coy
- Crab
- Crabber
- Crack a joke
- Crack brained
- Cracked
- Cracking sound
- Craftiness
- Crazy
- Crc
- Creamy
- Create
- Creche
- Credence
- Credit
- Creeper
- Creepers
- Cremation
- Creme
- Creole
- Crepe
- Crept
- Crest
- Cretin
- Crevasse
- Crevice
- Criminal
- Criminalist
- Croft
- Crom
- Crookedness
- Croon
- Crooner
- Crop
- Cropper
- Croquet
- Crores
- Cross armed
- Cross contamination