sort by Rank | Alpha
| Possible Meanings | Rank |
| Association of Postconsumer Plastic Recyclers | **** |
| Acute Phase Protein Response | *** |
| Andhra Pradesh Panchayat Raj | *** |
| Advanced Project Password Recovery | ** |
| Annual Portfolio Performance Review | ** |
| Academic and Personal Progress Review | ** |
| Advanced Program to Program | ** |
| Average Private Pay Rate | ** |
| Annual Performance Progress Reports | ** |
| Annual Program Performance Report | ** |
| American Paint Pony Registry | ** |
| Annual Plan and Performance Reviews | ** |
| All Pikes Peak Reads | * |
| Annual Plan and Performance Review | * |
| Association of Psychologists of Puerto Rico | * |
| Annual Project Progress Report | * |
| Annual Plan and Performance Report | * |
| Automatic Packet Position Report | * |
| Automatic Packet Position Reporting | * |