"C"

CABINET-[cupboard]
CAFETERIA-[restaurant, bachelor]
CAFFEINE
CAKE
CALIFORNIA-[gold]
CALL
calm-down-[see DOWN]
CAMP-[TENT]
CAMPER
CAN-[able, may, possible]
can-(container)-[see CUP]
CANADA
CANCEL
CANCER
candidate-[see APPLY]
CANDY
CAN'T
CAP
CAR/[ DRIVE]
CARD
CARPOOL
CARE
CAREFUL
CARELESS
CARPENTER-[do woodwork]
CARIBOU
CARPOOL
CARTOON
CASE
CAT-[kitten]
CATEGORY
CATERPILLAR
CAUCASIAN
CAUSE
CAVE
CELEBRATE
CELL-PHONE
CEMETERY
CENTER
CENTS
CENTURY
CEREAL
CHAIN
chair-[see SIT]
CHAMELEON
CHAMP or CHAMPION
CHANCE
CHANGE-[adapt, convert, COINS]
CHARACTER
CHARGE
CHASE
CHAT
CHEAP
CHEAT
CHECK (envelope / card)
CHEESE
CHESS
CHEETAH
CHEW
CHICAGO
CHICKEN
CHICKEN_NUGGETS
CHIHUAHUA
CHILD
CHIMNEY
CHINA-[Chinese, Asian]
CHIPMUNK
CHIPS
CHRIST
CHRISTMAS
CHOCOLATE
CHRONIC
CHURCH
CIGARETTE
CITY
CL:A
CL:1
CL:3
CL:4-["line of people," "curtains"]
CL:5-[scads of]
CL:B-[roof, flat, wall]
CL:C-[thick things, round pole-like things]
CL:G-[thinness] 
CL:L(bent)-[large, big-headed/egoistic/conceited, check, card, square]
CL:R-[rope-like, braided, twisted]
CL:V-[stand, walk-to, lay down, toss-and-turn, dive, jump, skate board, scooter, get up]
class-[see FAMILY]
Classifiers
CLASS
CLASS-[group]
CLASSROOM
CLEAN
Clean up your new cooking school papers before leaving.
CLEAR
CLEVER
CLIMB
CLOCK
CLOSE
CLOSE-CAPTIONED
CLOSE-THE-WINDOW
CLOSET
CLOTHES-[DRESS]
CLOTHES
CLOUD(S)
CLOUDY
CLUB-[#CLUB-(lexicalized)]
CLUSTER
COAT-[jacket]
COAT-animal
COCOON
COCHLEAR IMPLANT
COCKROACH
COFFEE
COIN
COINS-[Also see CL:F]
COKE
COLD-[REFRIGERATOR]
COLLECT
COLLEGE-[university]
COLOR
COLORADO
COLORING
COMB
COME/[GO]-[come on, go-there, go-to, attend]
COME-ON [see come/go]
COMMON SENSE
COMMUNICATION
COMMUTE
COMPLAIN
COMPLIMENT
COMPUTER
CONCLUDE
CONFESS
CONFLICT
CONGRATULATIONS
CONNECT
CONNECTICUT
CONSTRUCTION
CONTAINER
CONTENTION
CONTINENT
CONTINUE
CONVINCE
COOK
COOKIE
COOL (temperature)
COOL (spiffy)
COPE
COPY
CORN
CORNER
CORRECT
COST-[tax, fine, fee]
COUCH
COUGH
COUNSEL
COUNT-[accountant]
count-on-[DEPEND]
COUNTRY
COUNTRIES
court-[see IF]
COUSIN
COVER-[shell]
COW
COWBOY
CRAB
CRACK
CRASH
CRAZY-[nuts, crazy-about]
CREATE
CREATOR
CREDENTIAL
CRITICIZE
CROCHET
CROCODILE
CROSSWALK
CRUEL
CRUSH
CRYPTO
CRY (4)
CULTURE
CUBBY
CUP
CUPCAKE
CURIOUS
CURLY-HAIR
CURTAINS
CUTE-[sugar]
Cut it out!