sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Museum of Sustainable Style | **** |
| Member of the Opposite Sex | **** |
| Merjenje Obiskanosti Spletnih Strani | **** |
| Mechanics of Slender Structures | *** |
| Microsoft Office SharePoint System | *** |
| Management Operations Support Systems | *** |
| Minimum Operational Security Standards | *** |
| Market Oriented Sector Selective | *** |
| Members of the Same Sex | *** |
| Management of Sensitive Sites | *** |
| Models of Success Sustainability | *** |
| Management Operations Support Services | *** |
| Montana Outdoor Science School | *** |
| Map Overlay and Statistical System | *** |
| McCall Outdoor Science School | *** |
| Multiple Overlay Statistical System | *** |
| Map Overlay Statistical System | ** |
| Mediators of Social Support | ** |
| Mindanao Open Source Society | ** |
| Microsoft Office Server System | ** |
| Mapping Our School Site | ** |
| Mediators of Social Support Study | ** |
| Modulated Optical Solid State | ** |
| Malawi Open Source Society | ** |
| Minimum Operating Safety Standards | ** |
| Microsoft Office Search Server | ** |
| Mace of the Shadowed Soul | ** |
| Medical Officer of Special Scale | ** |
| Ministry of Social Security | ** |
| Mountaineering Society of Singapore | ** |
| monitoring and surveillance systems | ** |
| Medical Officer Special Scale | ** |
| Multibeam Optical Stress Sensor | ** |
| Microsoft Office Sharepont Server | ** |
| Modified Operator Services Signaling | ** |
| Medical Officers of Special Scale | ** |
| Medical Officers of Schools | ** |
| Minimal Oil Spraying System | ** |
| Missionary Outreach Support Services | ** |
| Musculoskeletal Oral and Skin Sciences | ** |
| Manifestation of Symptomatology Scale | ** |
| Minimum Operation Security Standards | ** |
| Met Onderlinge Steun Studeren | ** |
| Midwest Open Salt Society | ** |
| Miniaturized Optimized Smart Sensor | ** |
| Medical Officers Special Scale | ** |
| Mobile Optimist Sailing School | ** |
| Multicarrier Orthogonal Spread Spectrum | ** |
| Moving Object Support System | ** |
| Mime Objects Security Services | ** |
| Maintenance Operations Support Services | * |
| Malaysian Organ Sharing System | * |
| Marine Operations Specialty Symposium | * |
| Massive Operations in the Same | * |
| Material Off Shore Sourcing | * |
| Merri Outreach Support Services | * |
| Microwave Observatory of Subcanopy and Subsurface | * |
| Monte Online Support System | * |
| Mobile Sensors and Services | * |
| MS Operating Systems Sharepoint | * |
| Murdoch Online Survey System | * |
| Market Oriented Sector Service | * |
| Mini Operating System Simulator | * |
| Missoula Online Statistical System | * |
| Mobile Overnight Support Scheme | * |
| Military Operational Satellite System | * |
| Mobile Oceanography Support System | * |
| Management Oriented Support System | * |
| Manufacturing Operations and Support Simulation | * |
| Map Overlay and Statistics System | * |
| Meteorological and Oceanographic Sensing System | * |
| Miller Oren Spam Shirt | * |
| Mount Olive and Staunton Shaft | * |
| Mount Olive South Shaft | * |