- Contemptuously
- Contend
- Contented
- Contentment
- Contents
- Contestant
- Context
- Contiguously, contiguity
- Continental drift
- Contrast
- Contravene
- Contributory
- Controlled
- Controlled passions
- Controller
- Contumacious
- Contused
- Contusion
- Conurbation
- Conviction
- Convincing
- Convivial
- Convoluted
- Convolution
- Convuised
- Convulsion
- Cook the books or accounts
- Cooking
- Cooking rice
- Cooks
- Cool
- Cool fish
- Cool ones heels
- Copse
- Coquetry
- Coquette
- Coral
- Coral reef
- Cordage
- Cordiality
- Coreldraw
- Corporally
- Corporate
- Corps de-ballet
- Corps diplomatique
- Corpuscle
- Corral
- Correct
- Corrected
- Correctitude
- Corrective
- Corroborate
- Corroding
- Cost-effective
- Costive
- Coterie
- Cotton cloth
- Cotton plant
- Cougar
- Coughing
- Could have
- Coulomb
- 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
- Crag
- Crake
- Cram full
- Crammed
- Cramped
- Crams
- Crate
- Crater
- Cravat
- Craven
- Crawler
- Crawling
- Crayfish
- Crayon
- Creepy
- Cremation ground
- Crematorium