Definition |
Category |
| Automated Highway System | Electronics |
| Arlington High School | Schools |
| Alhambra High School | Schools |
| Athens High School | Schools |
| American HIking Society | Hiking |
| American Heartworm Society | Veterinary |
| Arab Horse Society | Veterinary |
| American High School | Schools |
| Atholton High School | Schools |
| Academy of Health Sciences | Military |
| Amsterdam High School | Schools |
| Atherton High School | Schools |
| Academic High School | Educational |
| American Harp Society | Music |
| Alternative Hedonistic Source | Unclassified |
| Assault Hoseline System | Military |
| Ahuas, Honduras | Airport Codes |
| Arroyo High School, El Monte, California | Schools |
| Awesome Heavenly Scripture | Religion |
| All Hail Super | Funnies |
| Aligned Hierarchy Seeker | Unclassified |
| Always Happy Sisters | Community |
| Advanced Habbo Security | Cyber & Security |
| Applied Health Sciences | Healthcare |
| Antlers High School | Schools |
| Absolute Honesty In Service | Unclassified |
| Addison High School | Schools |
| Agricultural High School | Farming & Agriculture |
| American Hosta Society | Societies |
| Asian Human Services | Asian |
| Agency of Human Services | Agencies |
| American Hanoverian Society | Societies |
| Arapahoe High School | Schools |
| Ayumi Hamasaki Sekai | Unclassified |
| American Hemerocallis Society | Societies |
| American Horticultural Society | Societies |
| Ancestral Health Society | Societies |
| Automated Highway Systems | Unclassified |
| Always Has School | Schools |
| American Headache Society | Societies |
| Armstrong High School | Schools |
| American Hemerocallis Society's | Societies |
| American Hernia Society | Societies |
| American Hiking Society's | Societies |
| American Housing Survey | Housing & Amenities |
| AMN Healthcare Services | Healthcare |
| Accelerated High School | Schools |
| Acquired Hyperostosis Syndrome | British Medicine |
| Active Handling System | Unclassified |
| Adjustable Handlebar System | Unclassified |
| Administrative Hearings Section | Unclassified |
| Adult High School | Schools |
| Advanced Hair Solutions | Unclassified |
| Advanced Hardware Support | Hardware |
| Adventist Health System | Healthcare |
| Agricultural Health Study | Farming & Agriculture |
| Alameda Health System | Healthcare |
| Alameda High School | Schools |
| Albany High School | Schools |
| Albemarle High School | Schools |
| Aligned Hub Seeker | Unclassified |
| American Headache | Unclassified |
| American Hebephilia Society | Societies |
| American Helicopter Society | Societies |
| American Home Series | Unclassified |
| American Home Shield | Unclassified |
| American Horror Satanism | Unclassified |
| Anacortes High School | Schools |
| Ancestral Health Symposium | Healthcare |
| Anglican High School | Schools |
| Animal Humane Society | Animals |
| Antiquated Hashing Standard | Unclassified |
| Applied Health Science | Healthcare |
| Arcadia High School | Schools |
| Arizona Humane Society | Societies |
| Arizona Hydrological Society | Societies |
| Ashland High School | Schools |
| Asian Health Services | Asian |
| Atascadero High School | Schools |
| Atlanta Humane Society | Societies |
| Atwater High School | Schools |
| Austin Humane Society | Societies |
| Automated Haulage Systems | Unclassified |
| Automated Health Systems | Healthcare |
| Autonomous Haulage System | Unclassified |
| Avon High School | Schools |
| Aboriginal Health Services | British Medicine |
| Action on Health & Smoking | British Medicine |
| acute HIV syndrome | British Medicine |
| Adventist Health Study | British Medicine |
| Alberta Health Services | Hospitals |
| Alberta Health Services (Canada) | Governmental |
| Alien hand syndrome | Diseases |
| Alpers-Huttenlocher syndrome | British Medicine |
| Alpha Haemolytic Streptococci | British Medicine |
| Alveolar Hypoventilation Syndrome | British Medicine |
| American Horror Story | News & Media |
| American Hospital Society | British Medicine |
| Ammon’s horn sclerosis | British Medicine |
| Anticonvulsant Hypersensitivity Syndrome | British Medicine |
| Assistant House Surgeon | British Medicine |
| Association for Humanist Sociology | Societies |
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