sort by Rank | Alpha
| Possible Meanings | Rank |
| ARS Australia Dollars | **** |
| AMD Australia Dollar | **** |
| Australia Australian Dollar | **** |
| Australian US Dollar | **** |
| AWG Australia Dollar | **** |
| Aikido Union Deutschland | *** |
| ADP Automatic Data | *** |
| Automated Unit Dose | *** |
| Alcohol Use Disorders | *** |
| Architecture and Urban Design | *** |
| Advanced User Debugger | *** |
| Association to Unite the Democracies | *** |
| anterior urethral diverticulum | ** |
| antibiotic-unassociated diarrhea | ** |
| artery uteroplacental Doppler | ** |
| Animal Unit Days | ** |
| amplifiable unit of DNA | ** |
| amplifiable units of DNA | ** |
| Academia Universal De | ** |
| Aalborg University Denmark | ** |
| ARS Australian Dollar | ** |
| And from United | ** |
| Alternative Utility Delivery | ** |
| Australian Urban Divisions | * |
| Army Unique Data | * |
| Army Uniform Data | * |
| Aberdeen University Department | * |
| Aggregate Unit Description | * |
| Akman Ugur Doctor | * |