- Casket
- Catalepsy
- Cast a long shadow
- Cast away
- Cast iron
- Caster
- Castes
- Castigation, castigator
- Casting
- Casting vote
- Castle in the air
- Castor oil
- Castration
- Casual leave
- Casualness
- Cat bird
- Cat hood
- Catacomb
- Catalogue
- Catalonia
- Catarrh
- Catastrophe
- Catawampus
- Catch napping
- Catchment area
- Catechist
- Categorically
- Cater
- Catering
- Caterpillar
- Catharsis
- Cathartic
- Catherine-wheel
- Catheter
- Cathode
- Cathode-rays
- Catholicism
- Catwalk
- Caucus
- Caudal
- Caught
- Cauldron
- Causal
- Causation
- Causationist
- Cause of action
- Cause-effect relation
- Causeway
- Causing
- Causing delight
- Causing grief
- Causing to
- Cautery
- Cavalry
- Cave temple
- Caveat emptor
- Cavernous
- Caviar
- Cdl
- Cdot
- Ce
- Cease
- Ceaslessly
- Ceiling
- Celebrate
- Celestial nymph
- Celibacy
- Cello
- Cellophane
- Cellulose
- Cemetery
- Cense
- Censer
- Censured
- Centenario
- Centerpiece
- Centesimal
- Central conic
- Central travancore
- Centralize
- Centre
- Centre of activities
- Centurial
- Centurian
- Cerbera odollam
- Cereal
- Cereals
- Cerebral haemorrhage
- Cerebration
- Certainly
- Certes
- Certificate
- Certified
- Cerumen
- Cervical
- Cessation
- Cession
- Chagrined
- Chain bridge
- Chain of waves