sort by Rank | Alpha
| Possible Meanings | Rank |
| A Conference for Parents | **** |
| Anti Citrullinated Peptide Antibodies | *** |
| American Concrete Pumpers Association | *** |
| IgG-anti-cytoplasmic autoantibodies | ** |
| At the American College Personnel Association | ** |
| Accra Comprehensive Peace Agreement | ** |
| Accreditation Council for Practical Abilities | ** |
| Ashtabula City Port Authority | ** |
| 4-amino-3-chloro-2-pentenedioic acid | ** |
| Allegheny County Pharmacists Association | ** |
| Advisory Committee on Plants and Animals | ** |
| Anticybersquatter Consumer Protection Act | ** |
| Asian Conference on Precision Agriculture | ** |
| Announcement and Call for Papers | ** |
| Anticybersquating Consumer Protection Act | ** |
| Association for Compliance Professionals of Australia | ** |
| Arab Certified Public Accountants | ** |
| Association for the Concrete Pavement | ** |
| American College Personnel Administration | ** |
| Arab Certified Professional Accountant | ** |
| American College Personnel Administrators | ** |
| AmeriSchools College Prep Academy | ** |
| Anti Cybersquatter Protection Act | ** |
| Australian Center for Precision Agriculture | ** |
| Assistant Commissioner for Public Affairs | ** |
| Armenian College and Philanthropic Academy | ** |
| American Concrete Pavment Association | * |
| Association of Compliance Professionals of Australia | * |
| An Association of Professionals | * |
| Airworthiness Coordination and Policy Agency | * |
| American Counseling Personnel Association | * |
| Analog Content Protection Act | * |
| Advisory Committee on Packaging | * |
| Anticyberpiracy Consumer Protection Act | * |
| Assisted Combat Personnel Armor | * |