- Cryptonym
- Cajole
- Cal
- Calabash
- Calamities
- Calamities in rapid sequence
- Calcify
- Calcite
- Calcium carbonate
- Calculated
- Calcutta
- Caldron
- Calendar year
- Caliban
- Calibrate
- Cantillate
- Cantonment
- Canvas
- Cap-a-pie
- Capacity crowd
- Caper
- Capital
- Capital expenditure
- Capital idea
- Caravanserai
- Carbolic acid
- Carbonize
- Carburetor
- Carcass
- Carcinoma
- Card
- Cardamom seed
- Cardinal virtues
- Cardiogram
- Carry forward
- Carry over
- Carry the day
- Cart off
- Cart-man
- Cartoonist
- Cartwheel
- Carved
- Caster
- Castes
- Castigation, castigator
- Casting
- Casting vote
- Castle in the air
- Castor oil
- Castration
- Casual leave
- Casualness
- Catch napping
- Catchment area
- Catechist
- Categorically
- Cater
- Catering
- Caterpillar
- Catharsis
- Cathartic
- Catherine-wheel
- Catheter
- Cathode
- Cathode-rays
- Catholicism
- Causing to
- Cautery
- Cavalry
- Cave temple
- Caveat emptor
- Cavernous
- Caviar
- Cellulose
- Cemetery
- Cense
- Censer
- Censured
- Centenario
- Centerpiece
- Centesimal
- Central conic
- Central travancore
- Certificate
- Certified
- Cerumen
- Cervical
- Cessation
- Cession
- Chagrined
- Chain bridge
- Chain of waves
- Chain printer
- Chain-smoker
- Chained to oar
- Chairmanship
- Chandler
- Change
- Change colour
- Change hande