sort by Rank | Alpha
| Possible Meanings | Rank |
| Marshfield Area Community Foundation | *** |
| Minot Area Community Foundation | *** |
| Mayerthorpe Area Community Foundation | *** |
| Mattoon Area Community Foundation | *** |
| Master of Arts in Christian Formation | *** |
| Melanesian Arts Cultural Festival | ** |
| Microtubule Actin Crosslinking Factor | ** |
| Muslim Academy of Central Florida | ** |
| Manitoba Association of Friendship | ** |
| Multiple Access Control Function | ** |
| Malayalee Association of Central Florida | ** |
| Martinsville Area Community Foundation | ** |
| Modular Animal Care Facility | ** |
| Master of Arts in Conflict Facilitation | ** |
| Mineralogical Association of Canada Foundation | ** |
| Mitotically Active Cellular Fibroma | ** |
| Massachusetts Art Curriculum Frameworks | ** |
| Mount Allison Christian Fellowship | ** |
| Metropolitan Atlanta Community Foundation | * |
| Monoclonal Antibody Core Facility | * |
| Multi Agency Chairs Forum | * |
| Mountain Areas Conservancy Fund | * |
| Multiple Application Control Function | * |
| Microsoft Application Foundation Class | * |