- Clay modelling
- Clean
- Clean out
- Cleaner
- Cleaning
- Cleansed
- Clear away
- Clear data
- Clear out
- Clear the place
- Clear the way
- Clear up
- Clientele
- Cliffhanging
- Climactic
- Climate
- Climate change
- Climatology
- Climbing hoop
- Clime
- Climp up
- Clinging steadfast
- Clinging to
- Clingy
- Clinical
- Close rank
- Close round
- Close to
- Close-fitting
- Closed place
- Closefisted
- Closely built
- Closet genius
- Closing as flowers
- Clot
- Cloth purse
- Clothline
- Cncoction
- Co-axial
- Coarse
- Co-factor
- Co-operator
- Co-sister
- Coachman
- Coagulant
- Coal bed
- Coal tar
- Cock fighting
- Cock-eyed
- Cockade
- Cockle shell
- Cockney
- Cockpit
- Coconut inflorescence
- Coconut milk
- Coconut tree
- Cocoonery
- Coda
- Coif
- Coiled
- Coir-mats
- Cold chisel
- Cold cream
- Cold feet
- Cold frame
- Collective farm
- Collectivist
- Colleen
- Collieries
- Colliery
- Collocate
- Collocation
- Colloquial
- Colloquialism
- Combat
- Combatant
- Combatants
- Combe
- Combination
- Combination of syllables
- Combine
- Combustible
- Come between
- Come down with
- Come for
- Come home to roost
- Come in
- Come in for
- Come into line
- Come into ones mind
- Come into or enter ones head
- Come near
- Come off
- Come out of
- Come rain , come shine
- Come round
- Come short
- Come to a conclusion
- Come to hand
- Come to mind