cielo m. heaven, heavens, sky; ¡~ s! great heavens!
cien one hundred
cieno m. filth, mud, mire
ciertamente certainly, surely
cierto, -a certain; certainly; por ~ to be sure; de ~ certainly
cinco five; las ~ five o'clock
cisne m. swan; singer, poet, bard
cita f. appointment, rendezvous, tryst
citar summon, make an appointment with
ciudad f. city