- Campari liquor
- Camphor-scented
- Campus
- Campylobacter
- Can
- Canary
- Cancatervate
- Candescence
- Candid
- Capacitate
- Canister
- Canker
- Canned goods
- Cannery
- Cannibalism
- Canny
- Canonistic
- Canons
- Canoodle
- Cantaloupe
- Cantankerousness
- Canteen
- Canter
- Canthus
- Cantilever
- Canvas shoes
- Canvass
- Capability
- Capacious
- Capaciousness
- Capacity
- Cape
- Capitalist
- Capitalization
- Capitalize
- Capitation
- Capitulate
- Capitulation
- Capnocytophaga
- Cappuccino
- Capricious
- Capricorn
- Capricornus
- Caprine
- Caps lock
- Captivates
- Capture
- Captured animal
- Caput
- Car-load
- Cardiology
- Cards
- Career
- Carefree
- Carefully
- Caregiver
- Caress
- Caressing
- Careworn
- Caribou
- Carion
- Carmine
- Carnal
- Carnality
- Carry ones point
- Carry through
- Cartage
- Cartilages
- Cartridge
- Carve
- Carver
- Case aside
- Case book
- Caste system
- Casteless
- Castigatory
- Casting off
- Castle
- Castor
- Castor cake
- Castor sugar
- Castrate
- Castrated bull
- Castrol-oil plant
- Casual
- Casually
- Catechism
- Categorize
- Category
- Catenary
- Cater to
- Caterer
- Caterwaul
- Catnap
- Causing heat
- Causing joy and fear
- Caustic potash
- Caution money
- Cautionary
- Cautiously