Merriam-Webster's Collegiate Dictionary:
chantey
chanticleer
chantilly
chantilly lace
chantry
chanty
chanukah
chao
chao k'uang-yin
chao phraya
chao tzu-yang
chao'an
chaochow
chaos
chaos theory
chaotic
chaotically
chaozhou
chap
chapala, lake
chaparajos
chaparejos
chaparral
chaparral bird
chaparral cock
chapati
chapbook
chape
chapeau
chapel
chapel hill
chapel of ease
chaperon
chaperonage
chaperone
chapfallen
chapiter
chaplain
chaplaincy
chaplet
chapleted
chaplin
chaplinesque
chapman
chappati
chappie
chaps
chapter
chapter 11
chapter and verse
char
charabanc
characin
character
character assassination
character witness
characterful
characterisation
characterise
characteristic
characteristic equation
characteristic polynomial
characteristic root
characteristic value
characteristic vector
characteristically
characterization
characterize
characterless
characterological
characterologically
charactery
charade
charas
charbroil
charbroiler
charcoal
charcot
charcuterie
chard
chardin
chardonnay
chare
charente
charg? d'affaires
charge
charge account
charge card
charge of quarters
charge off
charge-coupled device
charge-off
chargeable
charged
charged coupled device
chargehand
charger
