- crookbacked
- corsair
- capillarity
- complex sentence
- caulking
- cucumis melo
- cubiform
- codex
- cacuminal
- common knowledge
- costa
- cos
- continent
- centesimal
- canafistola
- Cassia fistula
- coco
- chiromancy
- cromlech
- CIS
- conferment
- commercial paper
- cloisonne
- conservancy
- curiously
- chartered
- coruscation
- cosmographer
- chess board
- conger
- conciliatory
- congratulatory
- cultural
- chippy
- chemical engineer
- christian scientist
- corruptibility
- combustible
- cragsman
- circumlocutory
- cytomembrane
- carping
- cloggy
- congruous
- cortisone
- carborundum
- costumier
- crustaceous
- coal mine
- concubinage