opprimō, see premō.

oppūgnātiō, ōnis [oppūgnō], f., an assault, attack, siege.

oppūgnō, see pūgnō.

(ops), opis, f., power, help; pl. opēs, um, wealth, resources.

optimus, see bonus.

optō, āre, āvī, ātus, to hope, desire.

ad—adoptō, āre, āvī, ātus, to adopt.

opulentus, a, um [ops], adj., rich, wealthy.

opus, operis, n., work, business, need; fortification.

ōrātor, ōris [ōrō], m., an orator, ambassador.