sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Intra-arterial regional anaesthesia | ** |
| Italian Amateur Radio Astronomy | ** |
| Institute for Anthropological Research in Africa | ** |
| International Aerosol Research Assembly | ** |
| Iraqi Association for Radio Amateurs | ** |
| Inter Allied Reparations Agency | ** |
| Islamic Africa Relief Agency | ** |
| Industrial Accident Rehabilitation Account | ** |
| Illinois Alliance of Retired Americans | ** |
| Interior Arrangement and Redesign Association | * |
| Indiana Alliance for Retired Americans | * |