- Chiselled features
- Chitchat
- Chloric acid
- Chlorination
- Chlorosis
- Chmey sparrow
- Choke back
- Chokehold
- Choky
- Chola country
- Chop
- Chop off
- Choral, chorale
- Chord
- Chorister
- Chortens
- Choultry
- Christen
- Christian
- Christian theology
- Christian women
- Christmas card
- Christology
- Chromatic
- Chromatically
- Chromite
- Chromo sphere
- Chronic bachelor
- Chronicled
- Chronis
- Chronometer
- Chronometry
- Chronotope
- Chuck
- Chuck out
- Chum
- Church
- Churchman
- Churl
- Churn out
- Churner
- Churning
- Churning stick
- Ciborium
- Cicatrice
- Cigar
- Cigarette
- Cilia
- Cinder
- Cinnamomum osmophloeum
- Cinnamon leaf
- Cinnamon tree
- Cipher
- Circa
- Circadian rhythm
- Circuitous
- Circular
- Circulate
- Circulating library
- Circulatory system
- Circumlocutory
- Circumstances
- Circumstantial
- Circumstantial evidence
- Circumventive
- Circumventor
- Cirrhosis
- Cirrus
- Cist
- Cite
- Citric acid
- Citronella oil
- City state
- Ciu
- Civet
- Civil case
- Civil engineer
- Civil rights
- Civil service
- Civilian
- Civility
- Civilize
- Claim
- Claimant
- Clam
- Clandestine
- Clank
- Clapper
- Clapping of hands
- Clarion call
- Clarity
- Clash
- Clashing
- Class distinction
- Classicism
- Classroom
- Claustrophobia
- Claviger
- Claw
- Claymore