sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Humanitarian Assistance Other | *** |
| Hip Abduction Orthosis | *** |
| HIV AIDS Officer | *** |
| Hydrous Aluminum Oxides | *** |
| Housing Assignment Office | *** |
| Hoger Agrarisch Onderwijs | *** |
| Houston Alumni Organization | *** |
| hepatic artery occlusion | ** |
| hereditary angio-oedema | ** |
| hydrogenated arachis oil | ** |
| partially-hydrogenated arachis oil | ** |
| Healthy Alternatives Office | ** |
| Hellweger Anzeiger Online | ** |
| Hirata Architecture Office | ** |
| Hospice Alliance of Ohio | ** |
| Hospice Association of Oklahoma | ** |
| Hanoi Amsterdam Organization | ** |
| Hakka Association of Ottawa | * |
| Higher Alpha Olefin | * |
| Humanist Activism and Organization | * |
| Hamburger Abendblatt Online | * |
| Huele A Orgasmo | * |
| Herbario Antenor Orrego | * |
| Housing Assistance Office | * |
| Harlequin Australian Opals | * |
| Hartford An Outlet | * |
| Hazards And Operability | * |
| Hello Austria Online | * |
| Hoppenstedt Austria Online | * |
| Housing Authority of Owensboro | * |
| Humacao Astronomical Observatory | * |
| Humanist Association of Ottawa | * |