sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| oklahoma osteopathic association | **** |
| Out of Autoclave | **** |
| Object Oriented Approach | **** |
| Object Orientated Analysis | **** |
| Object Oriented Architecture | *** |
| Object Oriented Application | *** |
| Order of Ascension | *** |
| Office on Aging | *** |
| Out of Office Assistant | *** |
| Order of Apostasy | *** |
| Office on the Aging | *** |
| Ontology Outreach Authority | *** |
| origin of agriculture | ** |
| Ontology Outreach Advisory | ** |
| Oxidized Organic Aerosol | ** |
| Order of Assassins | ** |
| Olive Oil Award | ** |
| Onderzoekschool Oncologie Amsterdam | ** |
| Offshore Operators Association | ** |
| Ontario Opticians Association | ** |
| Office of Assistant | * |
| OPC OPEN ACCESS | * |
| Opportunities for Older Adults | * |
| Office of Adjudication | * |
| Oath Or Affirmation | * |
| Oslo Og Akershus | * |
| Office Of Administration | * |
| Office Of Administrator | * |
| Office Of Allowances | * |
| Office Of Authentication | * |
| Office of Oceanic and Atmospheri | * |
| Officer Or Agent | * |
| Online Outdoor Area | * |
| Opal Open Advisors | * |
| Operations and Other Activities | * |
| Orchids and Onions Awards | * |
| Out-Of-Area (NATO) | * |