sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Practical Periodontics & Aesthetic Dentistry (journal / revue) | ** |
| Parallel Plate Avalanche Detectors | * |
| PAW PALS Assistance Dogs | * |
| Persatuan Purnawirawan Angkatan Darat | * |
| Pakistanis for Peace and Alternative Development | * |
| Power Plant Assessment Division | * |
| Pollution Prevention Assistance Division | * |
| Pitt Physics and Astronomy Department | * |
| Puli Page Ashford Discusses | * |