sort by Rank | Alpha
| Possible Meanings | Rank |
| Hue University of Agriculture | **** |
| Hobbs Upchurch Associates | *** |
| Harkat Ul Ansar | *** |
| Harakat Ul Ansar | *** |
| Housing and Urban Affairs | *** |
| Heritage Underwriting Agency | *** |
| Hydrologic Unit Area | *** |
| Hanoi University of Agriculture | *** |
| Humanities and Arts | *** |
| Hardy Underwriting Agencies | *** |
| Heard Understood Acknowledged | *** |
| History Undergraduate Association | *** |
| Hydrologic Unit Areas | *** |
| Hellenic Urological Association | *** |
| human umbilical artery | ** |
| human urinary albumin | ** |
| human uterine artery | ** |
| Hawaiian Ultimate Adventures | ** |
| Heard Understood and Acknowledged | ** |
| high uric acid line | ** |
| high-uric acid line | ** |
| Hebrew University Association | ** |
| heritage under agcy | ** |
| humeroulnar aponeurotic arcade | ** |
| Hindu University of America | ** |
| Hondakin Uren Araztegia | ** |
| hospital universitario austral | ** |
| Highway Users Alliance | ** |
| Heads Up Asshole | * |
| Host Union Agreement | * |
| Harding University in Australia | * |
| Howard University Archives | * |
| Haad Uut Aastat | * |