ordenar, to order, command, lay upon; to organize.
oreja, f., auricle, ear.
organista, m., organist.
órgano, m., organ.
orgía, f., orgy, revelry, revel.
orgullo, m., pride.
orgulloso, -a, proud, haughty.
origen, m., origin, cause, birth, descent.
original, original; subst. m., original.
orilla, f., bank, shore.