chun = - cohe =
- clonogenicity
- clonological
- clonology
- clonotype
- clonotypic
- clonus
- clootie
- clop
- clopen
- clophedianol
- clopidogrel
- clopyralid
- clorazepate
- cloroqualone
- CLOS
- close
- close as wax
- close call
- close down
- close encounter
- close enough for government work
- close harmony
- close helmet
- close in
- close in on
- close of business
- close of play
- close off
- close one's eyes
- close out
- close protection
- close quarter
- close quarters
- close ranks
- close shave
- close the face
- close the stable door after the horse has bolted
- close to
- close to home
- close up