| flüchtig | ephemeral |
| Flüchtigkeit | volatility |
| fruchtig | fruity |
| Flucht | flight |
| Fluchtung | alignment |
| Fluchtweg | escape route |
| Flüchtling | refugee flibbertigibbet |
| fluchten | align |
| flüchten | escape flee |
| fuchzig | fifty |
| züchtig | straight-laced |
| fuchsig | carroty foxy ginger mad |
| süchtig | addicted hooked |
| tüchtig | brave diligent doughty efficient industrious proficiently |
| wuchtig | powerful massive |
| flugtüchtig | airworthy |
| Fluch | curse malediction |
| Fluchtburg | hill-fort |
| Flugsteig | gate gatehouse |
| fluchen | curse swear |