| Fläche | surface area |
| Flachs | flax |
| Flachse | tendon |
| Flasche | bottle flask loser |
| flach | flat shallow |
| Lache | puddle laugh |
| Flagge | flag ensign colours standard colors |
| Flame | Fleming flame |
| Flamme | flame |
| Flanke | flank side edge cross |
| Flare | solar flare stellar flare lens flare |
| Flause | fabrication |
| Flaute | calm lull slack period slackness |
| flachsen | joke kid wisecrack |
| flashen | flash |
| Fellache | fellah |
| Lachen | laugh laughter |
| lachen | laugh giggle |
| Lachs | salmon lax blush |
| -fache | -fold |