cancelar - to cancel; to wipe out, write off [debt]
cansarse - to get tired, get worn out, get weary
caracterizar - to characterize
cargar - to load, load up; to charge
casar - to marry, join in marriage, join in wedlock
casarse [con alguien] - to marry [someone], get married [to someone]
castigar - to punish, penalize, castigate
causar - to cause; to create, make
cazar - to hunt, represent, stand for