sort by Rank | Alpha
| Possible Meanings | Rank |
| Action Canada for Population and Development | **** |
| Action Canada for Population Development | *** |
| Apparent Crude Protein Digestibility | *** |
| Arlington County Police Department | *** |
| Automated Custom Physical Design | ** |
| Adams County Parks Department | ** |
| Atmospheric Chemistry Physics Discussions | ** |
| beta-D-2-amino-6-chloropurine dioxolane | ** |
| Advisory Committee on Participatory Democracy | ** |
| Advertising Coordination and Partnerships Directorate | ** |
| Africa Centre for Peace and Development | ** |
| African Community Publishing and Development | ** |
| African Center for Peace Democracy | * |
| Amman Center for Peace and Development | * |
| Arabia Cinema Production and Distribution | * |
| Applied Computing Products Division | * |
| Auxins and Cytokinins in Plant Development | * |
| Academy for Continuous Professional Development | * |