sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Florida Institute for Sustainable Energy | *** |
| Festival International Sport Extreme | ** |
| Fundacja Inicjatyw Spoleczno Ekonomicznych | ** |
| First Year in Science and Engineering | ** |
| Foundation for Social and Economic | ** |
| Federazione Italiana Sport Equestre | * |
| Freshmen in Science and Engineering | * |
| Festival Internacional Sports Extreme | * |
| Foundation for International Space Education | * |
| Financial Interests of State Employees | * |