- 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
- 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
- Coming near
- Commander
- Commendableness
- Commensurate
- Commentator
- Commercialize
- Comparable
- Compass
- Compatibility
- Compatibleness, compatibility
- Compere
- Compete
- Competent for
- Complicity
- Complimentary
- Comply
- Composed of 8th part
- Compositor
- Compound
- Compound condition
- Compound sentence
- Compound word
- Comprehending
- Comprehensible
- Comprehension
- Concision
- Conclusion
- Conclusively proved
- Concoct
- Concord
- Concrastination
- Concubinage
- Concupiscence
- Concur
- Concurence
- Concurrence
- Concurrent processing
- Condemnable
- Confection
- Confectionary
- Confectioner
- Confederates
- Confederation
- Conference
- Confess
- Confession
- Confessor