- Chagall, Marc
- Chagas' disease
- Chagatai
- Chagos Archipelago
- Chagres
- chagrin
- chagul
- chai
- Chaikovski
- chai latte
- chain
- Chain
- chainage
- chainbelt
- chain coral
- chain drive
- chaîné
- Chained Lady
- chainfall
- chain fern
- chain gang
- chain gear
- chain grate
- chain letter
- chain lightning
- chain-link
- chain-link fence
- chain locker
- chain mail
- chainman
- chain measure
- chain migration
- chain of command
- chain pickerel
- chainplate
- chain plate
- chain printer
- chain pump
- chain-react
- chain reaction
- chain rule
- chain saw
- chain-saw
- chain shot
- chainsman
- chain-smoke
- chain smoker
- chainstitch
- chain stitch
- chain store
- chain wale
- chainwheel
- chain wheel
- chainwork
- chair
- chair bed
- chairborne
- chairbound
- chair car
- chairlady
- chairlift
- chairman
- chairman of the board
- chairmanship
- chairperson
- chair rail
- chair table
- chair warmer
- chairwoman
- chair yoga
- chaise
- chaise longue
- chaitya
- Chaka
- chakalaka
- chakra
- Chal.
- chalaza
- chalazion
- chalcanthite
- Chalcedon
- chalcedony
- chalcid
- chalcidfly
- Chalcidice
- chalcidicum
- Chalcis
- chalco-
- chalcocite
- chalcogen
- chalcogenide
- chalcography
- chalcolite
- chalcolithic
- Chalcolithic
- chalcophile
- chalcopyrite
- chalcostibite
- chalcotrichite
- Chald.
- Chaldaic
- Chaldea
- Chaldean
- Chaldee
- chaldron
- chalet
- Chaleur Bay
- Chaliapin
- chalice
- chaliced
- chalicothere
- chalk
- chalk and talk
- chalkboard
- chalkface
- chalk line
- chalk out
- chalkpit
- chalkrail
- chalkstone
- chalk stripe
- chalk talk
- chalk up
- chalky
- challah
- challenge
- challenged
- challenger
- Challenger Deep
- challenging
- challis
- Chalmers
- chalone
- Châlons
- Châlons-en-Champagne
- Chalon-sur-Saône
- Chalukya
- chalumeau
- chalupa
- chalutz
- chalybeate
- chalybite
- cham
- Cham
- chamade
- chamaedorea
- Chamaeleon
- chamaephyte
- chamber
- chamber concert
- chamber counsel
- chambered
- chambered nautilus
- chamberer
- chamberhand
- chamberlain
- Chamberlain
- Chamberlain, Neville
- Chamberlin
- chambermaid
- chamber mug
- chamber music
- chamber of commerce
- chamber of deputies
- chamber of horrors
- chamber of trade
- chamber opera
- chamber orchestra
- chamber organ
- chamber pop
- chamber pot
- chambers
- Chambers
- Chambersburg
- Chambertin
- chamber tomb
- Chambéry
- Chambly
- Chambord
- chambray
- chambré
- Chambri
- chameleon
- chametz
- chamfer
- chamfer bit
- chamfron
- Chaminade
- chamiso
- chammy
- chamois
- chamomile
- Chamonix
- Chamorro
- CHamoru
- Chamos
- chamosite
- chamotte
- champ
- champac
- champagne
- Champagne
- Champagne-Ardenne
- champagne socialist
- champaign
- Champaign
- Champaigne
- champ at the bit
- champers
- champerty
- champignon
- Champigny-sur-Marne
- champion
- Champion
- Champion of England
- championship
- Champlain
- champlevé
- Champollion
- Champs Élysées
- Champs-Elysées
- Chan.
- Chanaan
- chanc.
- chance
- chanceful
- chance it
- chancel
- chancellery
- chancellor
- Chancellor of the Duchy of Lancaster
- Chancellor of the Exchequer
- chancellorship
- Chancellorsville
- Chancellorsville, Battle of
- chance-medley
- chance music
- chance on
- chancer
- chancery
- Chan Chan
- chancre
- chancroid
- chancy
- chandelier
- chandelier earring
- chandelle
- Chandernagore
- Chandigarh
- chandler
- Chandler
- Chandler, Raymond
- Chandler period
- chandlery
- Chandragupta
- Chandrasekhar
- Chandrasekhar limit
- Chanel
- Chaney
- chanfron
- Chang
- changa
- Changan
- Changchiakow
- Changchow
- Changchun
- Changde
- change
- changeable
- change down
- changeful
- change hands
- change horses in midstream, don't
- change key
- changeless
- changeling
- changemaker
- changement de pied
- change off
- change of heart
- change of life
- change of pace
- change of scenery
- change of venue
- change one's mind
- change one's stripes
- change one's tune
- changeover
- changepocket
- change point
- changer
- change ringing
- change-ringing
- changeroom
- change round
- change the subject
- changeup
- change up
- changing bag
- changing room
