- cathartic
- carminative
- cumin
- cardamom
- chervil
- contempt
- celestial latitude
- chuckle
- cachinnation
- chortle
- Colocasia
- captive
- certiorari
- crime
- contraband
- crone
- combing
- coiffeur
- coerce
- common fraction
- common
- cockeyed
- crystal
- catfish
- collectivism
- constitutionalism
- cretin
- cherry
- citrus
- chargeman
- crouch
- climber
- charity
- cuckoo
- carbohydrate
- cooper
- chili
- circumcision
- commons
- catabatic
- culture
- caracul
- catharsis
- copal
- canoe
- compliance
- crystal rectifier
- civilian
- cracker
- choker