- convenient
- convenor
- converge
- convert
- convertibility
- conviction
- convince
- convivial
- conviviality
- convoke
- convolution
- convulsive
- cook the books or accounts
- coral island
- cordite
- coreldraw
- coriander leaves
- cork
- coronet
- corporal
- corrective
- corresponding
- cosmonautics
- cosmopolite
- cost-benefit
- cot with coir matting
- cotton plant
- cotton up
- cougar
- could
- coulter
- coumarone
- council
- council board
- counsellor
- counter check
- counterpoint
- country dance
- country-boat
- country-made
- county council
- county court
- coup d'etat
- coup de theatre
- courage
- courser
- cow-dung
- cowhide
- cowpie
- cows urine
- crammer
- crane
- cranium
- crash landing
- crayfish
- creaking noise
- creepy
- crematory
- crenellated
- creosote
- cricket
- cricketer
- critic
- crje
- crock
- croissant
- crony capitalism
- crooked
- cross-grained
- cross-ply
- crossover
- crosswise throw
- crossword
- crucified
- cruel woman
- cruft
- cruiser
- cultural
- culture
- cumin
- cuneus
- cunningness
- curable
- curacy
- curator
- current asset
- current password
- curriculum vitae
- currier
- curry leaf
- curse
- curtail
- cwtch
- cyber directory
- cyberbullying
- cyclotron
- cuddly
- cannonade
- child
- citizen