sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Areas of Operation | **** |
| Attacks of Opportunity | **** |
| Aree Organizzative Omogenee | **** |
| Afval Overleg Orgaan | *** |
| Accelerated Osteogenic Orthodontics | *** |
| Administration Operations Officer | *** |
| Ammatillisten Oppilaitosten Opettajat | *** |
| Authorized Organizational Official | ** |
| acetabulum osteoid osteoma | ** |
| acute opiate overdose | ** |
| adult-onset obese | ** |
| Anticipated Operational Occurrences | ** |
| Any Other Object | ** |
| Army of the Ohio | ** |
| Ancient Order of Olympians | ** |
| Approche OrientÈe Objet | ** |
| Albuquerque Operations Office | ** |
| Adoptie Ouders Overleg | ** |
| Applied Optics Online | * |
| Approche Orientée Objet | * |
| Alaska Operations Office | * |
| American Oceanographic Organization | * |
| Amulet of Order | * |
| Aread of Operation | * |
| Act Or Omission | * |
| Approche OrientTe Objet | * |
| Address Of Office | * |
| Address Of Officer | * |
| Address Of Operator | * |
| Address Of Owner | * |
| Announcement Of Opportunity | * |
| Announcements Of Opportunity | * |
| Arkansas Ozarks Online | * |
| Association de l'Oune de l'Outaouais | * |