- 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
- Chaithram
- Chakyar
- Chalan
- Chalaza
- Chalet
- Chalk
- Challoner
- Chamber
- Chamber pot
- Chamberlin
- Chambermaid
- Chameleon
- Chana dal
- Chancery
- Chancre
- Chancy
- Chaplet
- Characoal
- Character actor
- Character assassination
- Characterization
- Characterless
- Characters
- Chargehand
- Charitable
- Chdl
- Cheap
- Cheap labour
- Cheapness
- Checklist
- Checkmate
- Cheek by jowl
- Cheekily
- Cheep
- Cheer
- Cheerful
- Chief singer
- Chikungunya
- Child
- Child prodigy
- Child safety lock
- Childishness
- Childline
- Children
- Chirrup
- Chit
- Chithrini
- Chitty foreman
- Chivalry
- Chivvy
- Chivy
- Chloroform
- chock-a-block
- Choke
- Choke damp
- Choker
- Christendom
- Christhood
- Christian science
- Christianise
- Christianity
- Christians
- Christmas rose
- Christo
- Chromaticity
- Chromatics
- Chromosome
- Chronic
- Chronograph
- Chronologic
- Circuit
- Circulation
- Circumference
- Circumrotation
- Civilised
- Claimed