sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Ofis Ar Brezhoneg | **** |
| Old Administration Building | **** |
| Of Overactive Bladder | **** |
| Organic Advisory Board | *** |
| Oklahoma Accountancy Board | *** |
| Old Academic Building | *** |
| Ornithologische Arbeitsgemeinschaft Bodensee | *** |
| Organisation Africaine du Bois | *** |
| One to All Broadcast | *** |
| one-to-all broadcast | *** |
| Osservatorio Astronomico di Bologna | *** |
| Organic Agriculture and Biotechnology | *** |
| Oklahoma Association of Broadcasters | *** |
| Owners Advisory Board | *** |
| Online Address Book | *** |
| Oxfordshire Association for the Blind | *** |
| Ontario Association of Broadcasters | ** |
| Ostomy Association of Boston | ** |
| obligate anaerobic bacteria | ** |
| oscillatory activation barrier | ** |
| Oester Automobile Belp | ** |
| Organization of Area Boards | ** |
| Optics Assembly Building | ** |
| Officer Affiliation Bonus | ** |
| Office of Agricultural Biotechnology | ** |
| Observatory of Bologna | ** |
| Office Accommodation Branch | ** |
| Operational Advisory Broadcasts | ** |
| Of the Oklahoma Association of Broadcasters | ** |
| Official at Bats | * |
| Okuri Ashi Barai | * |
| Oral Assessment Builder | * |
| Out of Allocated Band | * |
| Ocean Applications Branch | * |
| Ornithologischen Arbeitsgemeinschaft Bodensee | * |
| Offshore Aviation Business | * |
| Operational Analysis Branch | * |
| Ordem Advogados Brasil | * |
| Organizational Advisory Board | * |
| Outer Air Battle | * |
| Online Adult Botique | * |
| Origami Alex Barber | * |
| Overburden And Bedrock | * |