- chillies
- chilli
- cucumis madraspatanus (a small fruit of the melon family)
- custard apple tree
- cowhage
- cantaloupe
- carbon cycle
- coronion
- commissioned officer
- council estate
- council tax
- censorship
- continental breakfast
- cupid—the god of love
- commited
- control_massage display
- cleaning operation
- choppiness
- comet
- colloquialism
- civic centre
- centrum semiovale
- cardinal vowel
- collocutor
- children and elders all
- coma
- contract offer
- cavernous
- conversation stopper
- conversational
- cow_tending centre
- chewing the chewed
- colostrum corpuscle
- collagen disorder
- cellular telephone
- cellular phone
- corporation tax
- corporation law
- central minister
- city hall
- central office code
- channel encoder
- channel spacing
- channel separation
- combined cholecystangiograpy
- composite module
- channel switching
- cooperator
- central bllod volume
- common iliac vein