| Flut | flood-tide flood wave |
| fluten | flood stream pour surge |
| Flug | flight |
| Flur | corridor hallway hall farmland field |
| Blut | blood |
| Glut | glow embers ardour flush |
| Fluke | fluke |
| Flush | flush |
| Fluß | thread |
| Fluss | river flow fluency flux |
| Fluch | curse malediction |
| Flucht | flight |
| Fluid | fluid |
| Fluor | fluorine fluor albus whites |
| Fluse | fluff piece of fluff |
| Flutlicht | floodlight |
| Flutwelle | tidal wave |
| Pflug | plough plow |
| flugs | quickly |
| flutschen | slide |