caja, box, chest, treasury
cajetilla, m., Argentine locution used by a gaucho to show his contempt for a city man; fop, dandy
cal, f., lime
calabaza, pumpkin
calamidad, calamity
calamitoso, -a, calamitous
calar, to pierce, fix a bayonet
calcular, to calculate
cálculo, calculation, estimate
caldear, to heat, foment