sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Ohio State Univeristy | **** |
| Orchestra and the University | **** |
| Or Should the United | **** |
| Orchestra of Southern Utah | **** |
| Operation Straight Up | **** |
| Or Support Units | **** |
| Ottawa South United | **** |
| Okalahoma State University | **** |
| Oregon State Universtiy | *** |
| Order of St Ursula | *** |
| Overseas Singaporean Unit | *** |
| Osaka Sangyo University | *** |
| Ohio State University (Columbus, OH) | *** |
| Oklahoma State University (Okmulgee, OK) | *** |
| Optical Sensor Unit | *** |
| Oklahama State University | *** |
| Open Source Unix | *** |
| Office of Strengthening Unity | *** |
| Operational Services Unit | *** |
| Orenburg State University | *** |
| Only Search UHDS | *** |
| Officials in UW | *** |
| OSC Statewide Users | *** |
| Overzicht Specifieke Uitkeringen | *** |
| Osh State University | *** |
| Operational Support Unit | *** |
| Of the Sanctuary | *** |
| Oklahoma Science University | *** |
| Of Study Unavailable | *** |
| outdoor speaker unit | *** |
| Office S Undergraduate | *** |
| Oromia Student Union | *** |
| Organization State University | *** |
| Office of Survey | ** |
| Oregon State Univerity | ** |
| Out from Startup | ** |
| Optical Services Unit | ** |
| Outdoor Subscriber Unit | ** |
| Operations Support Unit | ** |
| Ogun State University | ** |
| Operating Systems Users | ** |
| Ordo Sanctae Ursulae | ** |
| Old Sydneians Union | ** |
| Outer Sound University | ** |
| Object Specific Upscaling | ** |
| organization structure unit | ** |
| Outstanding Students Union | ** |
| Okmulgee Student Union | ** |
| Organizations to Schedule | ** |
| Oriental Student Union | ** |
| Office Services Unit | ** |
| Octal Subrate Unit | ** |
| October 2 Saturday | ** |
| Of Organizations University | ** |
| Orbit Serviceable Unit | ** |
| Organizations State University | ** |
| Optic Service Unit | * |
| Ogata Stepped Up | * |
| Ogoni Students Union | * |
| Ondo State University | * |
| OSTN to Students | * |
| Orgon State University | * |
| Outstanding Satisfactory Unsatisfactory | * |
| Occupational Skill Upgrading | * |
| Ocupa Sensibiliza Utiliza | * |
| Oregon Swat Unit | * |
| Oversight Support Unit | * |
| Occupational Services Unit | * |
| Oclahoma State University | * |
| Office of Sandusky | * |
| Ohio State for Use | * |
| Open Source Usability | * |
| Operational Site Units | * |
| Organizations for University | * |
| Overpayment Specialist Unit | * |
| Optical Service Units | * |
| Overseas Singapore Union | * |
| Obstetrical Sonography Ultrasou | * |
| Ocean Sciences Unit | * |