| Flugsteig | gate gatehouse |
| Flüstern | whisper |
| flüstern | whisper susurrate |
| flugfähig | airworthy |
| Flugschein | pilot's licence air ticket flight ticket |
| Flugzeug | aeroplane airplane plane aircraft |
| flüchtig | ephemeral |
| flüssig | liquid fluent |
| Fahrsteig | moving walkway |
| Abflugszeit | time of departure |
| flügge | fledged |
| Fluchtung | alignment |
| Fluchtweg | escape route |
| Flugente | Muscovy Duck |
| Flugscham | flight shame flying shame |
| Flugschau | airshow |
| Flurstück | land parcel |
| Fluse | fluff piece of fluff |
| Flussbett | riverbed river bed |
| Flüchtling | refugee flibbertigibbet |