| Fluor | fluorine fluor albus whites |
| Fluorid | fluoride |
| Fluorit | fluorite |
| Flur | corridor hallway hall farmland field |
| Fluke | fluke |
| Fluorophor | fluorophore |
| Flush | flush |
| Fluß | thread |
| Fluss | river flow fluency flux |
| Fluch | curse malediction |
| Fluder | flume |
| Flug | flight |
| Fluid | fluid |
| Fluse | fluff piece of fluff |
| Flut | flood-tide flood wave |
| flugs | quickly |
| Gluon | gluon |
| Flunke | fluke |
| Fluorcitrat | fluorocitrate |
| Pflüger | plower |