sort by Rank | Alpha
| Possible Meanings | Rank |
| Agency for Healthcare Administration | **** |
| American College of Healthcare Administrators | **** |
| Alachua County Housing Authority | *** |
| Argyll Community Housing Association | *** |
| American College Hockey Association | *** |
| Adult Congenital Heart Association | *** |
| Australian Colon Health Association | *** |
| American College of Hospital Administration | *** |
| Australian Clinical Hypnotherapists Association | *** |
| Adelaide Community Healthcare Alliance | *** |
| American Cutting Horse Association | *** |
| Adams County Housing Authority | ** |
| air conduction hearing aids | ** |
| Australian Complementary Health Association | ** |
| Aid Coordination Harmonization and Alignment | ** |
| Automated Clearing House Association | ** |
| Atlantic City Housing Authority | ** |
| American Council of Highway Advertisers | ** |
| American Coon Hunters Association | ** |
| Appl Comput Harmon Anal | ** |
| American Club Hockey Association | ** |
| American Curly Horse Association | ** |
| African Centre for Humanitarian Action | ** |
| African Centre for Human Advocacy | ** |
| Air Conduction Hearing Aid | * |
| Africa Centre for Human Advocacy | * |
| Autauga County Heritage Association | * |
| Alberta Cutting Horse Association | * |
| Adopt Chicago Helps Adopte | * |
| Alexs Calvin and Hobbes Archive | * |
| Ameristar Casinos Hour Action | * |