| Fruktose | fructose |
| Fructose | fructose |
| Laktose | lactose |
| Frisöse | haircutter |
| Glukose | glucose |
| Arkose | arkose |
| Franzose | Frenchman French monkey wrench |
| Fruitaner | fruitarian |
| Fruktarier | fruitarian |
| Frutaner | fruitarian |
| Früchte | fruit |
| fruchtlos | ineffectual fruitless |
| Frust | frustration |
| Frühe | dawn |
| Kruke | box coward |
| Suktorie | suctorian |
| Duktus | flow |
| Funktor | functor |
| Faktor | factor merchant |
| Faktorei | factory |