oculto, -a, hidden, concealed, secret.
ocupación, f., occupation.
ocupar, to fill, occupy, take possession of, busy; refl., to busy oneself, be busy.
ocurrencia, f., sally, flash of wit.
ocurrir, to happen, occur.
ofender, to offend.
ofertorio, m., offertory.
oficial, m., official, officer.
oficiar, to officiate.
oficio, m., trade, business, occupation, service, office, craft, profession.