nutrir nourish.
o interj. oh.
o conj. or, either; —— ... —— either ... or.
obedecer obey.
objeto m. object, thing.
obligarse bind one's self, be obliged.
obra f. work; —— maestra masterpiece.
ocasión f. occasion, time, opportunity.
occidente m. west, occident.
oculto, -a concealed, hidden, secret.