sort by Rank | Alpha
| Possible Meanings | Rank |
| Patton Harris Rust Associates | **** |
| Pittsburgh Human Resource Association | *** |
| Pediatric Health Risk Assessment | *** |
| Plant Health Risk Assessment | ** |
| portal hypertension related ascites | ** |
| primary hypoplastic refractory anemia | ** |
| Pacific Heights Residents Association | ** |
| Productive Housing in Rural Areas | ** |
| Pennsylvania Horse Racing Association | * |
| Provincial Heritage Resources Agencies | * |
| Provincial Human Resources Associations | * |