Obey: obedecer
Oblige: obligar
Observe: observar
Obsess: obsesionar
Obtain: obtener
Obviate: obviar
Occupy: ocupar
Occur: ocurrir
Offend: ofender
Offer: ofrecer
Open: abrir
Opine: opinar
Orbit: orbitar
Order: pedir, ordenar
Organize: organizar
Orient: orientar
Originate: originarse, producirse
