obstante: no obstante, nevertheless.
obstinado -a (past part. of obstinar), obstinate.
obstinarse, to persist.
obtener, to get, obtain.
obtuve, -iste, -o, etc., pret. ind. of obtener.
ocasión, f., occasion, opportunity.
octava, f., octave (an eight-day celebration of a religious festival).
octubre, m., October.
ocultar, to hide.
oculto -a, hidden.