| Flohkraut | pennyroyal |
| Flöhkraut | psyllium |
| Drehkraut | hartwort |
| Fachkraft | specialist professional skilled employee subject matter expert trained assistant |
| Fliehkraft | centrifugal force |
| Fettkraut | butterwort |
| Farnkraut | fern |
| Rotkraut | red cabbage |
| Float | float |
| Flohkäfer | flea beetle |
| Florist | florist |
| floral | floral |
| Flohkino | fleapit |
| Flohmarkt | flea market |
| Flora | flora Flora |
| Florett | foil |
| Flotzmaul | muzzle |
| Bruchkraut | rupturewort |
| Sehkraft | vision eyesight |
| Gelbkraut | weld |