sort by Rank | Alpha
| Possible Meanings | Rank |
| Houghton Area Master Plan | ** |
| Hellenic Association of Medical Physicists | * |
| HIV AIDS Management and Prevention | * |
| Holy Angels Memorial Park | * |
| Haight Ashbury Music Page | * |
| Hazardous Abandoned Mine Problem | * |
| Horizontal Avionics Modernization Process | * |