sort by Rank | Alpha
| Possible Meanings | Rank |
| HIV/AIDS Bureau | **** |
| HIV AIDS Bureau | **** |
| Harmful Algal Blooms | **** |
| Healthcare Advisory Board | **** |
| Herzog August Bibliothek | **** |
| Hospital Advisory Board | **** |
| Historical Advisory Board | **** |
| Honors Advisory Board | *** |
| Hendricks Avenue Baptist | *** |
| Hall Advisory Board | *** |
| Hospital Acquired Bacteraemia | *** |
| Hospitality Awarding Body | *** |
| Human Animal Bond | *** |
| Hot Air Balloons | *** |
| Harmful Algae Blooms | *** |
| Hand Across the Border | *** |
| Hospital Appeal Board | *** |
| Hot Air Ballooning | *** |
| Hemispheric Advisory Board | *** |
| Hard Ankle Board | *** |
| Homosexuelle Arbeitsgruppen Bern | *** |
| Hazard Abatement Board | *** |
| Halibut Advisory Board | *** |
| High Altitude Bombing | *** |
| homicide-associated burnings | ** |
| human adult bone | ** |
| hapten-anti-hapten bridge | ** |
| High affinity agonist-binding | ** |
| high anxiety-related behaviour | ** |
| high-anxiety-related behavior | ** |
| homotypic adhesion blocking mAb | ** |
| host-adapted Borrelia burgdorferi | ** |
| HTLV-1 associated bronchopneumonopathy | ** |
| High Angle Boundaries | ** |
| Hospitals Auxiliary of Bermuda | ** |
| Hawaii Association of Broadcasters | ** |
| Height Above Bottom | ** |
| heterogenous inorganic bone | ** |
| Heavy Artillery Brigade | ** |
| Host Advisory Board | ** |
| Hindu Advisory Board | ** |
| Hjemmeside for Andelsboligforeningen | ** |
| Housing Administration Building | ** |
| Highway Accident Brief | ** |
| with autogenous bone | ** |
| Housing Advisory Board | ** |
| Host Adapter Board | ** |
| Haggerty Administration Building | ** |
| HIPAA Advisory Board | ** |
| Hope Academy of Bishkek | ** |
| Homestead Advisory Board | ** |
| Honors Activities Board | ** |
| Henry Administration Bldg | ** |
| Humanitarian Affairs Branch | ** |
| Humanities Association Bulletin | ** |
| Health Advisory Board | ** |
| Host Address Bit | ** |
| High Altitude Bronchitis | ** |
| Human and Animal Bridging | ** |
| Human and Biosphere | * |
| Home and Apartment Builders | * |
| Hybrid Adaptive Beamformer | * |
| Housing Appeals Board | * |
| Henry Administration Building | * |
| Hiking And Backpacking | * |
| Hardened Aircraft Bunker | * |
| Hot Air Ballons | * |
| Hotel Ambassador Berlin | * |
| Hanford Avisory Board | * |
| History of the Angus Breed | * |
| Hotel Anastasia Bungalows | * |
| House Appropriation Bill | * |
| Housing Authority of Billings | * |
| Hungarian Agricultural Biotechnology | * |
| Hypersoft Application Browser | * |