- Constrict
- Contained
- Constructible
- Constructivism
- Constructor
- Contemplate
- Contemplatively
- Contemporaneouness
- Contemporaneously
- Contemporary
- Contemporary visual arts
- Contempt
- Contemptible
- 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
- 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
- Coup
- Coup de foudre
- Coupling
- Courage
- Courageous
- Courier
- Court
- Court-martial
- Courtesan
- Courtier
- Cousin
- Covenant