sort by Rank | Alpha
| Possible Meanings | Rank |
| Amherst County High School | **** |
| Antioch Community High School | **** |
| Advances in Chemistry Series | **** |
| Australasian College of Herbal Studies | **** |
| Albemarle County Historical Society | **** |
| Athens County Historical Society | *** |
| Alabama Center for Health Statistics | *** |
| Atlantic County Historical Society | *** |
| Adams City High School | *** |
| Atkinson County High School | *** |
| Australian Catholic Historical Society | *** |
| A College of Health Sciences | *** |
| Alcorn Central High School | *** |
| Anderson County High School | *** |
| Augusta County Historical Society | *** |
| Adair County Historical Society | *** |
| Amite County High School | *** |
| Alexander Central High School | *** |
| Apalachee Center for Human Services | *** |
| Aged Care and Health Services | *** |
| Arthur County High School | *** |
| Abraham Clark High School (Roselle, NJ) | *** |
| Adams City High School (Commerce City, CO) | *** |
| Argo Cmty High School (Summit, IL) | *** |
| Advisory Committee on Hazardous Substances | *** |
| Alameda County Historical Society | *** |
| Addison County Humane Society | *** |
| Anderson County Historical Society | *** |
| Adair County High School | *** |
| Alger County Historical Society | *** |
| Athletics the High School | *** |
| Academic Computing Health Sciences | *** |
| Association for Community Health Services | *** |
| Amador County Historical Society | *** |
| Aquinas College of Higher Studies | *** |
| Australian Council of Healthcare Standards | *** |
| Argo Community High School | *** |
| Ambulatory and Community Health Services | *** |
| Advisory Committee on Health Services | *** |
| Aurora Central High School | *** |
| Akron City Health System | *** |
| American Charter High School | *** |
| Appleton Central High School | *** |
| Agency for Collegiate Honor Societies | *** |
| Australian Council for HealthCare Standards | *** |
| adult chronic hydrocephalus syndrome | ** |
| Abraham Clark High School | ** |
| Amistad Christian High School | ** |
| Ashe County Humane Society | ** |
| Anglo Catholic History Society | ** |
| Auglaize County Humane Society | ** |
| Australian Council on Health Standards | ** |
| Australian Council on Hospital Standards | ** |
| Amanda Clearcreek High School | ** |
| Advanced Cargo Handling System | ** |
| Assiniboia Composite High School | ** |
| Australian Council on Health Care Standard | ** |
| Australian Council on Health Care Standards | ** |
| Amelia County High School | ** |
| Association of College Honors Societies | ** |
| American Council on Health and Science | ** |
| Ark City High School | ** |
| Athens County Humane Society | ** |
| Australasian College of Health Safety | ** |
| Abilene Christian High School | ** |
| American Christian Honor Society | ** |
| Association of Collegiate Honor Societies | ** |
| Air and Correspondence High School | ** |
| Australian Council of Health Standards | ** |
| Adult Comprehensive Human Services | ** |
| Alachua County Humane Society | ** |
| Association of College Honor Society | ** |
| ARCHBISHOP CARROLL HIGH SCHOOL | ** |
| Australasian College of Health and Safety | ** |
| Ashtabula County Historical Society | ** |
| AUTOMATED CRIMINAL HISTORY SYSTEM | ** |
| Associated College of Health Sciences | ** |
| Australian Council on Healthcare Services | ** |
| Ammonoosuc Community Health Services | ** |
| Andover Central High School | ** |
| Ashland Community Healthcare Services | ** |
| Ascension Community High School | * |
| American Catholic Historical Society | * |
| Associate of College Honor Societies | * |
| Aberdeen Central High School | * |
| Academic Computing Health Systems | * |
| Archbishop Chapelle High Schoo | * |
| Avery County High School | * |
| Anderson County Humane Society | * |
| Appalachian Community Health Services | * |
| Army Common Hardware System | * |
| Avery County Humane Society | * |
| Adair Casey High School | * |
| Annecy Cedex Haute Savoie | * |
| Austin Company Hillside Shaft | * |