sort by Rank | Alpha
| Possible Meanings | Rank |
| and articulation control subsystem | **** |
| Alfred Almond Central School | **** |
| Association of Convenience Stores | **** |
| Association of Colorado Springs | **** |
| Academy of Cosmetic Surgery | **** |
| American College of Surgeons | **** |
| Association to Advance Collegiate School | *** |
| African American Cultural Society | *** |
| Association of Cosmetology Schools | *** |
| And the American Society | *** |
| Australian Associations of Christian Schools | *** |
| Alarm and Access Control System | *** |
| Accredited by Association of Christian Schools | *** |
| ANNAPOLIS AREA CHRISTIAN SCHOOL | *** |
| Association for Chinese Studies | *** |
| American Association for Chinese Studies | *** |
| Australasian Association of Convenience Stores | *** |
| Advanced Access Control System | *** |
| Association of Company Secretaries | *** |
| Australian Association for Caribbean Studies | *** |
| Academy of Cosmetic Surgeons | *** |
| Ann Arbor Computer Society | *** |
| Acute Atraumatic Compartment Syndrome | ** |
| attitude and communication scale | ** |
| Association for the Advancement of Science | ** |
| ability to achieve cognitive structure | ** |
| Applied and Clinical Sociology | ** |
| Association of Colleges and Schools | ** |
| Associations of Christian Schools | ** |
| Australian Association of Christian Schools | ** |
| Advanced Acces Content System | ** |
| Aggressive Automatic Consumer Screwing | ** |
| Advisory and Counselling Service | ** |
| Academy of Clinical Sexologists | ** |
| Alcohol Advisory and Counselling Service | ** |
| Army Airways Communication System | ** |
| Aberdeen Angus Cattle Society | ** |
| Annual Administrative Code Supplement | ** |
| Army Area Communications System | ** |
| Alabama Association of Convenience Stores | ** |
| Association of the American Community School | ** |
| Australian Army Canteen Service | ** |
| Automated Access Control Systems | ** |
| As Applicable to Cooperative Societies | ** |
| American Association of Chartered Surveyors | ** |
| As A Community Service | ** |
| Ann Arbor Cantata Singers | ** |
| Advances Access Content System | ** |
| American Automobile Club Sala | ** |
| Association of Accredited Cosmetology Schools | ** |
| Automated Classification of Stone | ** |
| Ahmedabad AIDS Control Society | * |
| And the Association of Christian Schools | * |
| Atlas Air Crew Services | * |
| ALL Around Computer Services | * |
| Alliance of Approved Company Secretaries | * |
| Aaa Automobile Club South | * |
| And ADVANCED ACCESS CONTENT SYSTEM | * |
| Archaeological Auto Classification System | * |
| Attitude and Articulation Subsystem | * |
| Australian Army Canteens Service | * |
| Advanced Automatic Compilation System | * |
| Autism Advisory Consultancy Service | * |
| Automated Allotment Control System | * |
| Academic Administrative Computing Services | * |
| Academic and Administrative Computing Services | * |
| Airways and Air Communications Services | * |
| Airborne Advanced Communications System | * |
| Altitude and Articulation Control System | * |
| America America Central and Sout | * |
| Arch Apogee Coal Streamline | * |
| Atlantic Air Conditioning Supply | * |