- Condemned
- Conflation
- Confluence
- Conformable
- Conforming
- Conformity
- Confrere
- Confrontation
- Confuse
- Confusion
- Confute
- Congeal
- Connote
- Conquest
- Consan guineous
- Conscious
- Conscious mind
- Consciously
- Conscription
- Consecrate
- Consent letter
- Consented
- Consequences
- Conspicuously
- Conspire
- Constancy
- Constant
- Constellation
- Constituent
- Constrain
- 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
- Convalesce
- Convection
- Conventionalist
- Conventionalize
- Conversant
- Conversely
- Convert
- Convey
- Conveyable, conveyance
- Conveyed
- Conveyor
- Convict
- Coolant
- Coolie
- Cooperate
- Coordinate
- Coot
- Cope
- Cope with
- Copilot
- Coping
- Copiously
- Cormorant
- Cornfield
- Cornstarch
- Corny
- Coronal
- Coronary
- Coroner
- 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