sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Housing Authority of the City of Alameda | *** |
| Hydrogen Abstraction Carbon Addition | *** |
| heterologous adoptive cutaneous anaphylaxis | ** |
| High-affinity choline accumulation | ** |
| Hirschsprung associated congenital anomalies | ** |
| Human Anti Chimeric Antibody | ** |
| Historical Atlas of Central Asia | ** |
| Hypothermia for Cardiac Arrest | ** |
| Homestead Agricultural Credit Aid | ** |
| Housing Authority City of Austin | ** |
| Horder Adey Chartered Accountants | ** |
| Hungarian Association of Customs Affairs | ** |
| H Abstraction C2H2 Addition | * |
| HIV AIDS Control Agency | * |
| High Audiovisual Communication Authority | * |
| Hounslow Afro Caribbean Association | * |
| Historic Armed Combat Association | * |
| Homestead and Agricultural Aid | * |
| Hindon Allotment and Conservation Association | * |
| Homestead and Agriculture Credit Aid | * |