sort by Rank | Alpha
| Possible Meanings | Rank |
| Noble Park Primary School | *** |
| 2-nitrophenyl phenyl sulfone | ** |
| New Police Pension Scheme | ** |
| Navy Publishing and Printing Service | ** |
| Novel Protein Production Systems | ** |
| National Planning and Policy Staff | ** |
| National Palm Print System | ** |
| Nuclear Pharmacy Practice Section | ** |
| Nickel Plated Punched Steel | * |
| Networks Programmes and Projects | * |
| North Pacific Process Study | * |
| National Personnel Placement Services | * |
| Non Powered Port Sharing | * |
| North Pacific Pediatric Society | * |
| Navy Publications and Printing Service | * |
| National Plants Preservation Society | * |
| New Prospect Park Shaft | * |
| Non Pilots Pilots non Students | * |