consultar - to consult, to seek advice, to look up
contagiar - to infect, to transmit
contradecir - to contradict
convocar - to call together
corresponder - to correspond
corromper - to corrupt, to bribe, to become corrupted
criar - to breed, to bring up
cuestionar - to question, to ask
culminar - to end, to culminate
cabalgar - to ride
cabrear - to get angry, to make angry
caducar - to expire, to get out of date