- Consciousness
- Conscript
- Consecration
- Consensus
- Conspiracy
- Constabulary
- Consternate
- Consternation
- Constituency
- Construct
- Constructed in front of mansions
- Consulate
- Contemplative
- Contempt of court
- Contemptuousness
- Contender
- Cordate
- Conterminous
- Contextualise
- Contexture
- Continence
- Convictions
- Convining
- Coomb
- Convulsive disorders
- Cook up
- 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
- Coumarone
- Counseller
- Counselling
- Countdown
- Counter plea
- Counter-acting
- Coup de grace
- Couple
- Courses
- Court of law
- Courtesies
- Courtliness
- Courtly
- Cowl
- Cowpea pods
- Cows
- Coxswain
- Coy
- Crab
- Crabber
- Crack a joke
- Crack brained
- Cracked
- Cracking sound
- Craftiness
- Crazy
- Crc
- Creamy
- Create
- Creche
- Credence
- Credit
- Criminology
- Crimp
- Crinkly
- Cripple
- Crispbread
- Critic
- Criticise
- Crock
- Crockery
- Crocodile tears
- Cross-dressing
- Cross-hands