sort by Rank | Alpha
| Possible Meanings | Rank |
| Association for Political Prisoners | **** |
| Academy of Pharmaceutical Physicians | *** |
| Australian Association of Pathology Practices | *** |
| Asian Parliaments for Peace | *** |
| Academy on Physician and Patient | *** |
| American Project in Pompeii | *** |
| Association of Police Polygraphists | *** |
| American Association of Police Polygraphists | *** |
| Advancement of Philosophy and Psychiatry | *** |
| Association of Patients and Providers | *** |
| Association for the Advancement of Philosophy and Psychiatry | *** |
| Asian Parliament for Peace | *** |
| Asian Parliamentarians for Peace | *** |
| Association of Pathology Practices | *** |
| ATOVS and AVHRR Processing Package | ** |
| Alzheimer amyloid precursor protein | ** |
| Alzheimer amyloid protein precursor | ** |
| Anglo American Project in Pompeii | ** |
| American Partners for Prosperity | ** |
| Association of Pharmaceutical Physicians | ** |
| Academy Admissions Partner Program | ** |
| Alcatel Applications Partner Program | ** |
| Alliance for Adolescent Pregnancy Prevention | ** |
| Alberta Association of Professional Paralegals | ** |
| Academic Assessment Placement Program | ** |
| And All Political Prisoners | ** |
| Academic Assessment and Placement Program | ** |
| Average All Pig Price | ** |
| ANNE ARUNDEL PAINTBALL PARK | ** |
| Association of Professional Psychics | ** |
| Atmospheric Acidity Protection Program | ** |
| Alcatel Application Partner Program | ** |
| Alternative Advantage Partner Program | ** |
| Average All Pigs Price | ** |
| Assistant Association for Political Prisoners | ** |
| Aventail Access Partner Program | ** |
| Association of Police Polygraphers | ** |
| Affirmative Action Program Planning | ** |
| American Academy of Physician and Patient | ** |
| Association for Assistance of Political Prisoners | ** |
| Advanced ATOVS Processing Package | * |
| All Alaska Pediatric Partnership | * |
| Aviation Accident Prevention Plan | * |
| Aide Aux Prisonniers Politiques | * |
| American Association of Pharmaceutical Physicians | * |
| Assessment and Placement Program | * |
| AVHRR and ATOVS Processing Package | * |
| Association of Professional Paralegals | * |
| Affirmative Action Planning Process | * |
| Army Acquisition Pollution Prevention | * |
| Association of Practicing Psychiatrists | * |
| Affirmative Action Personnel Program | * |
| ATOVS and AVHRR Pre Processing | * |
| Affirmative Action Plan Program | * |
| Anglo American Platinum Platinum | * |
| Annual Acquisition Plan and Procurement | * |
| Area Accurate Peters Project | * |
| Auxiliary Airborne Power Plant | * |