- conch with spiral
- concuss
- condemn to
- condemnatory
- condensation
- conditional probability
- confide
- confined
- confines
- confirm
- congestion
- conglutinate
- congratulate oneself
- congress
- conic
- consignor
- consistent
- consolation prize
- consort
- conspiracy
- contagious
- contain
- containing 12
- contemplation
- contemporary
- content
- contention
- contentious
- contentment
- context
- contiguously, contiguity
- contingent
- continual
- convenance
- conventional
- convulsion
- convulsive disorders
- cook one's goose
- cook something up
- cookbook
- cooked-rice
- cop
- copasetic
- coper
- copper vessel
- copra
- coprophilia
- corkage
- cornelian
- cornfield
- cornflour
- corniche
- cornish pasty
- corollary
- corroborate
- corroboratory
- cosmetic powder
- cotton wool
- coulomb
- countable
- counterpane
- countrified
- country
- courtly
- cover-cloth bed
- covering
- covet
- craft
- craftmanship
- crafty
- craggy
- crank
- created
- creating
- creation
- credit
- criminal jurisprudence
- cross road
- cross swords
- cross-beam
- crotchety
- croup
- crouton
- crown
- crumpling dry leaves
- crux
- cry
- cupboard
- cupid
- cupping process
- curative
- current
- curricle
- curry-comb
- customs
- cutover
- cutting
- cyber
- cyberstalking
- cylindrical stone