| Meaning | Category |
| Fantastically Sucky University | Academic & Science->Universities |
| Felon State University | Community->Law |
| Ferris State University | Academic & Science->Universities |
| Flight Station Unit | Governmental->Military |
| Florida Scares Us | Miscellaneous->Funnies |
| Florida State University | Academic & Science->Universities |
| Florida's Sorriest University | Miscellaneous->Funnies |
| Floridas Second University | Academic & Science->Universities |
| Floridas Sorriest University | Academic & Science->Universities |
| Former Soviet Union | Regional->Countries Governmental->Military Governmental->US Government |
| Fredonia State University | Academic & Science->Universities |
| Free Shoes University | Miscellaneous->Funnies |
| Free Shopping University | Miscellaneous->Funnies |
| Freon Servicing Unit | Governmental->NASA |
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