- Cornstarch
- Corny
- Coronal
- Coronary
- Coroner
- Corruptible
- Corrupting
- Cortex
- Cosmetics
- Cosmic
- Cosmogonist
- Cosmolatry
- Cosmonautics
- Cosmos
- Cost accountant
- Counter-revolutionary
- Counterblast
- Counterclockwise
- Counterintuitive
- Countermand
- Counterpane
- Counterpart
- Countless
- Country dance
- Country folk
- Country-boat
- County
- Covering
- Covert place
- Covertness
- Covetous
- Cow pox
- Cowardice
- Cowboy
- Cowhand
- Cowherdess
- Craze
- Crazed
- Creamery
- Created
- Creation
- Creative
- Creative writer
- Creature neither male or female
- Credibly
- Creditable
- Creditor
- Credo
- Creek
- Criminality
- Criminologist
- Crinkum-crankum
- Crippling
- Crisis
- Crispy
- Criterion
- Critical
- Critical spirit
- Critical stage in small-pox
- Croak
- Crocus
- Crowd out
- Crowded market
- Crumpled
- Crown prince
- Crown wheel
- Crowns
- Crucified
- Crucifix
- Crucify
- Cruel persons
- Cuckold
- Cucumber
- Cuddly
- Cudgel
- Cui bono
- Cully
- Cultivated
- Cultivating
- Curate
- Curb
- Curcuma amada
- Cure
- Curfew
- Curiosity
- Curled hair
- Curliness
- Curling
- Curmurring
- Currant
- Cut ones own throat
- Cut out the middleman
- Cut short
- Cutie
- Cutlery
- Cutters
- Cutting
- Cuttings
- Cyan
- Cybele