sort by Rank | Alpha
| Possible Meanings | Rank |
| Onvoy Voice Services | **** |
| Office of Visa Services | **** |
| Online Verification System | **** |
| Open Video Systems | *** |
| Open Value Subscription | *** |
| Old Violin Sunburst | *** |
| Object Verb Subject | *** |
| Oracle Video Server | *** |
| Official Veterinary Surgeons | *** |
| OF VOLUNTEER SERVICES | *** |
| OSHA Versatile Sampler | *** |
| Organizational Vital Signs | *** |
| Office of Veterans Services | *** |
| One Voice Suffolk | *** |
| Open Video Server | *** |
| Optometry and Vision Science | *** |
| of Vital Statistics | ** |
| oral viridans streptococci | ** |
| Outer volume saturation | ** |
| outer volume suppression | ** |
| outer-volume suppression | ** |
| Ovarian venous serum | ** |
| Overall Variety Score | ** |
| Office of Vital Statistics | ** |
| original V slope method | ** |
| Obvescevalno Varnostna Sluzba | ** |
| Oregon Vineyard Supply | ** |
| Office of Volunteer Services | ** |
| Offer Versus Serve | ** |
| Outdoor Viewing Systems | ** |
| Our Very Special | ** |
| Observation of Variable Stars | ** |
| Offsite Visual Storage | ** |
| Ottawa Vegetarian Society | ** |
| Oregon Viola Society | ** |
| Ouse Valley Sounds | ** |
| Outdoor Viewing System | ** |
| Overeenkomst Vereenvoudigde Schaderegeling | ** |
| Occasional Video Solutions | ** |
| Ohio Valley Section | ** |
| Our Vacation Store | ** |
| Office of the Voluntary Sector | * |
| Office for Volunteer Services | * |
| Operational Vertical Sounder | * |
| Oceanic Variability Study | * |
| Office of Vendor Services | * |
| Ohio Valley Shaft | * |
| Old Vermillion Strip | * |
| Oligonucleotide Vital Statistics | * |
| Ownership or Voting Securities | * |