sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Federazione Italiana Scuole Materne | **** |
| Fondazione Italiana Sclerosi Multipla | *** |
| Federazione Internazionale Sindacati Metalmeccanici | *** |
| Federation of Scientific Medical | ** |
| Federal Institute of Sport Magglingen | ** |
| Free It Storia Medioevo | ** |
| Franklin Institute Science Museum | * |
| Frameworks Integrating Science and Mathematics | * |
| Franklin Institute Science Museu | * |
| Freeman Industry Strip Mine | * |