- clan member
- clanswoman
- clansman
- club member
- committee member
- charter member
- council member
- Conservative
- cryptanalytics
- cryptic coloration
- cryptically
- climatologist
- computer guru
- computer
- carnival
- change surface
- cloze test
- club car
- club footed
- club together
- casque
- cruciferous vegetable
- celery cabbage
- chou
- Chinese cabbage
- Chinese celery
- cruciferous plant
- clams
- cultivated cabbage
- crucifer
- cordyline australis
- coronary artery bypass graft
- coronary bypass surgery
- common grape vine
- china cabinet
- china closet
- Chief Secretary
- cabinetry
- chocolate tree
- cazique
- chemical group
- chicken scratch
- civet cat
- coon cat
- caryophylloid dicot family
- chichipe
- cholla
- Carnegiea gigantea
- coryphantha
- crab cactus