- citric acid
- clonic
- cell division
- cell wall
- crosswind
- cathode
- cathexis
- commercial bank
- character printer
- cardiography
- common land
- caste
- controversy
- chore
- cottage
- clitoris
- confuse
- confound
- confusion
- capture
- concession
- cognomen
- capacitance
- control
- chisel
- commit
- carry out
- cultivate
- center
- convey
- count
- consist
- contain
- constitute
- competition
- cascade
- correspond
- confine
- call option
- couch
- chagrin
- commence
- cleave
- capital stock
- caudex
- certificate
- cope
- contend
- colligate
- comport