- Conchoidal
- Conchology
- Conform
- Congelation
- Congen
- Congenial
- Congenital syphilis
- Coprophilia
- Connective
- Connive
- Connoisseur
- Connotation
- Conoid
- Conquerable
- Conquered
- Conquerer of desire
- Conquetish
- Conscience
- Conscientious
- Consecrated water
- Consulting physician
- Consumable
- Consumerism
- Consumption
- Contact lens
- Contain
- Contaminant
- Contaminate
- Contaminated
- Continuous
- Contort
- Contortion
- Contortionist
- Contoured
- Contraceptive
- Contract
- Contracted
- Contradiction
- Contrarian
- Contrariousness
- Contrariwise
- Convince
- Conviviality
- Convocation
- Convoke
- Convolve
- Convoy
- Convulse
- Cook
- Cooked
- Cooked-rice
- Cookery
- Cookery book
- Cookhouse
- Cooking pot
- Cookware
- Cormorant person
- Corned beef
- Corner
- Corner shop
- Corners
- Corners of the mouth
- Cornerstone
- Cornflower
- Corniche
- Cornish pasty
- Corollary
- Coronet
- Corporal
- Corporal punishment
- Corrosive
- Corrugated
- Corrupt
- Corrupt form of sri bhagavathi
- Corrupted
- Corruption
- Corset
- Cortege
- Cortisol
- Cosmetic powder
- Cosmonaut
- Cosmopolitanism
- Counter-productive
- Counteract
- Counteraction
- Counterculture
- Counterfoil
- Countermeasure
- Counterpoint
- Country
- Country-made
- Countryman
- Countryside
- County clerk
- County council
- Coverlet
- Covert
- Covertures
- Covetously
- Cow