- 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 to ones mind
- Come to rest
- Come up
- Come upon
- Comeback
- Comedian
- Comeliness
- Comes of good stock
- Comfortable
- Comfortless
- Comic
- Coming down
- Commission agent
- Committee
- Common multiple
- Common parlance
- 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
- Conceivable
- Conceive of
- Concentric
- Conceptualism
- Concert
- Concession speech
- Conch
- Conch shell
- Conch with spirals
- Conch-blower
- Conch-blowing
- Concierge
- Confection
- Confectionary
- Confectioner
- Confederates
- Confederation
- Conference
- Confess
- Confession
- Confessor
- Confidant
- Confidante
- Confidence
- Confident
- Configuration
- Confine
- Confined to prison
- Congratulation
- Congratulations
- Congruence
- Conical
- Conifer
- Coniferous
- Conjugal
- Conjunction
- Conjunctiva
- Conjunctival suffusion
- Conky
- Connected