- Confidence
- Confident
- Configuration
- Confine
- Confined to prison
- Congratulation
- Congratulations
- Congruence
- Conical
- Conifer
- Coniferous
- Conjugal
- Conjunction
- Conjunctiva
- Conjunctival suffusion
- Conky
- Connected
- Connections
- Consider
- Considerably
- Consideration
- Considered
- Consignment
- Consistency
- Consolation
- Console
- Consolidation
- Consoling
- Consonant
- Consonants
- Conventicle
- Conspectus
- Contemplation
- Contemplativeness
- Contemporaneity
- Contemporaneous
- Contemptuous
- Content
- Contest
- Contiguous
- Continent
- Contrary to vedas or scriptures
- Contributing
- Contribution
- Contrition
- Contrivable
- Contriver
- Control tower
- Controllable
- Controlling
- Controvert
- Conunction
- Conundrum
- Convivium
- Convulsive
- Coo
- Cook ones goose
- Cool drink
- Corn circle
- Corn factor
- Corn-cob
- Cornice
- Coromandal coast
- Coronary arteries
- Corrosion
- Corrugated iron
- Corsair
- Coruscate
- Corvette
- Cosmetic
- Cosmic rays
- Cosmogony
- Cosmopolitan
- Cosmopolite
- Cosset
- Cost
- Counter-temps
- Counterbalance
- Countess
- Country-greens
- Cover up
- Cover-cloth bed
- Covered
- Covering letter
- Covert room
- Covertly
- Covet
- Covetable
- Covey
- Cow-elephant
- Cow-herd's
- Cow-pat
- Cowed
- Cower
- Cowhouse
- Crafty
- Crane
- Cranefly
- Cranium
- Crash landing