- Cope with
- Copilot
- Coping
- Copiously
- Copse
- Coquetry
- Coquette
- Coral
- Coral reef
- Cordage
- Cordiality
- Coreldraw
- Cormorant
- Cornfield
- Cornstarch
- Corny
- Coronal
- Coronary
- Coroner
- Corporally
- Corporate
- Corps de-ballet
- Corps diplomatique
- Corpuscle
- Corral
- Correct
- Corrected
- Correctitude
- Corrective
- Corroborate
- Corroding
- Corruptible
- Corrupting
- Cortex
- Cosmetics
- Cosmic
- Cosmogonist
- Cosmolatry
- Cosmonautics
- Cosmos
- Cost accountant
- Cost-effective
- Costive
- Coterie
- Cotton cloth
- Cotton plant
- Cougar
- Coughing
- Could have
- Coulomb
- Council
- Council board
- Council estate
- Council of war
- Counselor
- Count for
- Count in
- Countable
- Counter-allegation
- Counter-attack
- Counter-claim
- Counter-revolutionary
- Counterblast
- Counterclockwise
- Counterintuitive
- Countermand
- Counterpane
- Counterpart
- Countless
- Country dance
- Country folk
- Country-boat
- County
- Coup
- Coup de foudre
- Coupling
- Courage
- Courageous
- Courier
- Court
- Court-martial
- Courtesan
- Courtier
- Cousin
- Covenant
- Cover
- Covering
- Covert place
- Covertness
- Covetous
- Cow pox
- Cowardice
- Cowboy
- Cowhand
- Cowherdess
- Cows udder
- Crabby
- Crack
- Crackerjack
- Cracking the point of fingers