- Caboodle
- Cache memory
- Cachet
- Cachinnation
- Cadaver
- Cadd
- Cadet
- Cadet corps
- Cadillac
- Cadre
- Cae
- Caesarean operation
- Caffeine
- Cafune
- Cagey
- Cannon fodder
- Canonical
- Canonical hours
- Canorous
- Cant make head or tail
- Cantankerous
- Caraway
- Carbide
- Carbohydrate
- Carbolic
- Carbon
- Carbon dioxide
- Carbonic
- Carboy
- Carburettor
- Cpm
- Card game
- Card table
- Cardigan
- Carnivorous
- Carom seed
- Carotids
- Carousel
- Carp
- Carpenter bee
- Carpenters son
- Carpetbagger
- Carriage
- Carriage and pair
- Carriage forward
- Carrot
- Case law
- Case sensitive
- Casement
- Cash
- Cash in hand
- Cash reserve ratio
- Cashew nut
- Cashier
- Cashierment
- Cask
- Cassation court
- Cassava
- Cassette
- Cast a lurid light on
- Cast a shadow
- Cast down
- Caste
- Caste-hindu woman
- Casting net
- Castles in the spain
- Catch one red-handed
- Catch sight of
- Catch-up
- Catchword
- Catechismal
- Categoize
- Categorical
- Cater-cousin
- Catholic church
- Catholicose
- Catridge drive
- Cats and dogs
- Cattail
- Cayenne pepper
- Cd
- Cd drive
- Cdac
- Ceaseless effort
- Ceaseless flow
- Ceaselessly
- Celebrator
- Celerity
- Celery
- Celestial personage
- Cell membrane
- Cellar
- Centrifugal
- Centripetal force
- Centuple
- Century
- Cephalic
- Cerebral palsy
- Ceremony
- Certain