calcular - to calculate, compute, add up

calentar - to heat [up], warm [up]

calentarse - to heat up, warm up</I> [intrans.]; <I>to become heated/warmed, to get heated/warmed

callar - to keep quiet about, pass over in silence; to hush

callarse - to keep quiet , be quiet, shut up, be silent, remain silent

calmar - to calm (down), quiet, soothe

calmarse - to calm down [oneself]