- Curb
- Curcuma amada
- Cure
- Curfew
- Curiosity
- Curled hair
- Curliness
- Curling
- Curmurring
- Currant
- Cuscus grass
- Cuscus plant
- Cuscuta reflexa Roxb
- Cuss
- Custard pie
- Custodian
- Custodianship
- Customarily
- Customer relation
- Customize
- Cut down
- Cut from underground
- Cut glass
- Cyclist
- Cyclone
- Cylindrical
- Cymbals
- Cynophilist
- Cyperus
- Cyperus rotendus
- Cypher
- Cyprinid
- Cystic fibrosis
- Cystitis
- Cytology
- Czar
- C
- Chadors
- Characterised
- Circumcentre
- Coaly
- Cognovit
- Comose
- Conjunctive
- Cabinet
- Cabman
- Cackling
- Cadaverous
- Cadenced
- Cadge
- Cagamosis
- Cagy
- Cai
- Cail
- Callously
- Callow
- Calorescence
- Calorie
- Caltrop
- Calumniate
- Calve
- Calx of brass
- Calyx
- Camaraderie
- Came
- Camel
- Camera
- Canister
- Canker
- Canned goods
- Cannery
- Cannibalism
- Canny
- Canonistic
- Canons
- Canoodle
- Cantaloupe
- Cantankerousness
- Canteen
- Canter
- Canthus
- Capnocytophaga
- Cappuccino
- Capricious
- Capricorn
- Capricornus
- Caprine
- Caps lock
- Captivates
- Capture
- Captured animal
- Caput
- Car-load
- Cardiology
- Cards
- Career
- Carefree
- Carefully
- Caregiver
- Caress