sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Petroleum Administration for Defense Districts | *** |
| Petroleum Administration Defense District | *** |
| Professional Association of Database Developers | *** |
| Political Art Documentation Distribution | *** |
| Panhandle Area Development District | *** |
| People Affected by Drunk Driving | ** |
| Protection and Advocacy for the Developmentally Disabled | ** |
| Program in Aging and Developmental Disabilities | ** |
| Personal Access Display Devices | ** |
| Passive Anti Drown Device | ** |
| Personal Assistant Digital Device | ** |
| Phosphor Assisted Detection Device | ** |
| Personal Access and Display Device | ** |
| Petroleum Allocation for Defense District | * |
| port a data direction | * |
| Planetary Astronomical Data Division | * |