- colonial
- concomitant
- continental slope
- chyme
- certification
- commission agent
- circuit board
- circumambulate
- chess
- chyloderma
- conger eel
- crier
- chapman
- chaplain
- cowslip
- causalgia
- conjugation
- castle
- chemical energy
- commerce
- corruption
- cognate
- convex polygon
- carpal
- common measure
- cringe
- coward
- colorimetry
- cordage
- canton
- crotchet
- crushing
- cooperation
- celestial pole
- compass plane
- combination plane
- crystal set
- carpus
- contrite
- carrefour
- coral reef
- church tower
- correlation table
- coccyx
- caudal fin
- colitis
- consentaneous
- caboodle
- cancellation
- caravanserai