- calabash
- calaboose
- Calais
- calamari
- calamine
- calamitous
- calamity
- calcareous
- calciferous
- calcification
- calcify
- calcimine
- calcine
- calcite
- calcium
- calculable
- calculate
- calculated
- calculating
- calculation
- calculative
- calculator
- calculi
- calculus
- Calcutta
- Calder
- caldera
- Calderon
- caldron
- Caldwell
- Caleb
- Caledonia
- calendar
- calender
- calf
- calfskin
- Calgary
- Calhoun
- Cali
- Caliban
- caliber
- calibrate
- calibration
- calibrator
- calico
- Calif
- California
- Californian
- californium
- Caligula
- caliper
- caliph
- caliphate
- calisthenic
- calk
- call
- calla
- callable
- Callaghan
- Callahan
- Callao
- Callas
- callback
- caller
- Callie
- calligrapher
- calligraphic
- calligraphist
- calligraphy
- calling
- calliope
- callisthenics
- callisthenics's
- Callisto
- callosity
- callous
- callow
- callus
- calm
- calming
- Caloocan
- caloric
- calorie
- calorific
- calorimeter
- calorimetry
- calumet
- calumniate
- calumniation
- calumniator
- calumnious
- calumny
- Calvary
- calve
- Calvert
- Calvin
- Calvinism
- Calvinist
- Calvinistic
- calypso
- calyx