Merriam-Webster's Collegiate Dictionary:
cardiotonic
cardiovascular
cardioversion
cardoon
cardoso
cardozo
cardplayer
cardsharp
cardsharper
carducci
care
care a hang
care and feeding
care less
care package
careen
career
careerism
careerist
carefree
careful
carefully
carefulness
caregiver
caregiving
careless
carelessly
carelessness
carentan
carer
caress
caresser
caressingly
caressive
caressively
caret
caretake
caretaker
caretaking
carew
careworn
carey
carfare
carful
cargo
cargo cult
cargo pants
cargo pocket
carhop
caria
carian
carib
cariban
caribbean
caribbean sea
caribbees
caribe
cariboo mountains
caribou
caricatural
caricature
caricaturist
caries
carillon
carillonneur
carina
carinate
carinated
carinthia
carinthian
carioca
cariogenic
carious
carjack
carjacker
carjacking
carking
carl
carl xvi gustaf
carle
carleton
carlin
carline
carlisle
carlist
carload
carload rate
carlos
carlos de austria
carlota
carlovingian
carlow
carlsbad
carlsson
carlyle
carlylean
carlylian