- Casual
- Casually
- Catechism
- Categorize
- Category
- Catenary
- Cater to
- Caterer
- Caterwaul
- Catnap
- Cawing
- Cdrom
- Ceased
- Ceasefire
- Ceaseless
- Cedrine
- Celebration
- Celebrity
- Celestial
- Centrifugal machine
- Centriole
- Centurion
- Ceramics
- Ceramography
- Cerbera odollam fruit
- Cerebrum
- Ceremonious
- Certainty
- Chakras
- Chalazion
- Challan
- Challenge
- Chamber of commerce
- Chamber of horrors
- Champagne
- Chancel
- Chatty
- Charlatan
- Charon
- Charvaka doctrine
- Charybdis
- Chasmogamic
- Chat
- Chateau
- Chauffer
- Cheering
- Cheerio
- Cheetah
- Chemical
- Chemical inputs
- Chemical warfare
- Chemicals
- Chemise
- Chemistry
- Chequer
- Cherishing
- Chermatic economics
- Cherry
- Chief mahout
- Chief of the family
- Chief person
- Chief secretary
- Chief whip
- Chignon
- Chihuahua
- Childbirth
- Childless
- Chiropractor
- Chiseler
- Chiselling
- Chitty
- Chloride
- Choice
- Choke off
- Christian era
- Christian name
- Christmas eve
- Christmas tree
- Chromoplast
- Chronic disease
- Chronological
- Circularize
- Circulatory
- Circumcised
- Circumcision
- Circumferentor
- Circumlocution
- Circumnavigate
- Circumspect
- Circumspection
- Civilization
- Clad
- Clam meat
- Clandestine marriage
- Clandestinely
- Clang
- Clannish
- Clapping
- Claque
- Claw-hammer