| Flamme | flame |
| Flammen | afire |
| flämmen | scarf scorch |
| Flame | Fleming flame |
| Flamin | Fleming |
| Flämin | Fleming |
| Flammenbaum | flamboyant |
| Flagge | flag ensign colours standard colors |
| Flammenmeer | sea of flames |
| Flanke | flank side edge cross |
| Flare | solar flare stellar flare lens flare |
| Flaum | fluff |
| Flause | fabrication |
| Flaute | calm lull slack period slackness |
| Fläche | surface area |
| Pflaume | plum |
| Klamm | gorge ravine canyon |
| klamm | clammy cash-strapped |
| Klammer | paper clip bracket parenthesis brace clamp |
| Klampe | cleat |