- Cabinet
- Cabman
- Cackling
- Cadaverous
- Cadenced
- Cadge
- Cagamosis
- Cagy
- Cai
- Cail
- Caiman
- Cairn
- Cajolery
- Cake
- Cakewalk
- Calamity
- Calculable
- Calculate
- Calculated insult
- Calculating
- Calculator
- Calculus
- Calicut
- Californium
- Call a halt
- Call down on
- Call forth
- Call in
- Call-out
- Caller
- Calligraphist
- Calling
- Callipygian
- Callous
- Callously
- Callow
- Calorescence
- Calorie
- Caltrop
- Calumniate
- Calve
- Calx of brass
- Calyx
- Camaraderie
- Came
- Camel
- Camera
- 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
- Carassing
- Caravan
- Carboniferous