- Chin bone
- Chinese
- Chronometry
- Chronotope
- Chuck
- Chuck out
- Chum
- Church
- Churchman
- Churl
- Churn out
- Churner
- Churning
- Churning stick
- Civilian
- Civility
- Civilize
- Claim
- Claimant
- Clam
- Clandestine
- Clank
- Clapper
- Clapping of hands
- Clew
- Click and drag
- Clicktivism
- Climber
- Clinch
- Clinder
- Cling
- Coalition
- Coat hanger
- Coaxing
- Cob
- Cobweb
- Cobwebs
- Cock and bull story
- Cock eye
- Coherence
- Coherent
- Coherently
- Cohesion
- Coiffure
- Coinage
- Coincide
- Coincidence
- Coincidental
- Coir fibre
- Coital
- Coitus
- Colander
- Cold
- Cold comfort
- Come into force
- Come on
- Come thick and fast
- Come to aid
- Come to an end
- Come to blows
- Come to life
- Come to light
- Commissar
- Commit
- Commit to memory
- Commited
- Commodious
- Commodities
- Commoditisation
- Common law
- Common lute
- Common people
- Common qualities
- Compress
- Compulsive
- Compulsory
- Computer science
- Con
- Concealed
- Concede defeat
- Conceit
- Condemners
- Condemning
- Condensed
- Conditionally
- Conducive
- Conducive environment
- Conducted
- Connective
- Connive
- Connoisseur
- Connotation
- Conoid
- Conquerable
- Conquered
- Conquerer of desire
- Conquetish
- Conscience
- Conscientious
- Consecrated water