- camping area
- campsite
- creamery
- central
- chelydridae
- chemoimmunology
- chemakum
- concert dance
- cancan
- chorine
- cakewalk
- copaiba
- copaiba balsam
- Canada balsam
- classify
- computer address
- collateral
- Cardura
- clonidine
- Catapres
- chlorothiazide
- consonant cluster
- consonance
- conformable
- concordant
- circumflex artery
- ciliary artery
- choroidal artery
- circle of Willis
- cervical artery
- colic artery
- communicating artery
- central artery of the retina
- cerebral artery
- capillary artery
- carotid artery
- clay pipe
- childbed
- collective agreement
- company union
- crosspiece
- cervical vein
- central veins of liver
- cerebral vein
- cardinal vein
- costoaxillary vein
- central vein of suprarenal gland
- cerebellar vein
- clitoral vein
- choroid vein