sort by Rank | Alpha
| Possible Meanings | Rank |
| Office Building Research | **** |
| Oyster Boy Review | **** |
| Online Book Repository | *** |
| Office of Biomedical Research | *** |
| Optical Braille Recognition | *** |
| Office of Brownfield Reuse | *** |
| Oregon Bicycle Ride | *** |
| Overseas Business Report | *** |
| Office of Business Resumption | *** |
| Ontology of Biomedical Reality | *** |
| Office of Banks and Real | ** |
| OR Base Register | ** |
| of bidirectional replication | ** |
| Olfactory Bulb Removal | ** |
| Ostazin brilliant red | ** |
| other breast recurrence | ** |
| ouabain bumetanide resistant | ** |
| Origin of Bidirectional Replication | ** |
| Omnibus Budget Reconciliation | ** |
| Organized Bus Route | ** |
| Office of Business Resources | ** |
| object-to-background ratio | ** |
| of bidirectional DNA replication | ** |
| ouabain and bumetanide-resistant | ** |
| Ouabain- and bumetanide-resistant | ** |
| Osrodek Badawczo Rozwojowy | ** |
| Office of Budget and Reports | ** |
| Offshore Business Resources | ** |
| Ohio Business Roundtable | ** |
| Oregon Business Review | ** |
| origin of bidirectional DNA replication | ** |
| Optical Bypass Relay | ** |
| Open Building Research | ** |
| On Board Rotary | ** |
| Optical Burst Router | ** |
| Optical Braille Reader | ** |
| Oxford Biomedical Research | ** |
| One Bill Roaming | ** |
| Optimizing Bank Relations | * |
| Orange Blossom Regional | * |
| Outward Bound Romania | * |
| Ontario Bicycling Route | * |
| Order of the Bronze Ring | * |
| Ouija Board Reunion | * |
| On Board Recorder | * |
| Outcome Based Regulation | * |
| Ocean Beach Resort | * |
| Official Basketball Rules | * |
| Official Binghamton Rangers | * |
| Okak Bay Resources | * |
| One Buffalo Road | * |
| Online Biotechnology Resource | * |
| Oradea Bihor Romania | * |
| Original Boundary Revision | * |
| Oro Bravo Resources | * |
| Our Beautiful Ragdolls | * |
| Over the horizon Backscatter Radar | * |
| Oy Botta Ravintolat | * |