| Funkuhr | radio clock radio controlled clock |
| Funktor | functor |
| fünf Uhr | five o'clock |
| Funker | wireless operator |
| Tankuhr | fuel gauge |
| Funkeln | sparkle |
| funkeln | flash glitter sparkle twinkle |
| Fünkchen | scintilla |
| funk- | radio- |
| Fundus | basic equipment repository stock fund |
| Funk | radio broadcast funk |
| Funke | spark radio equipment |
| Funkturm | radio tower |
| Fünfer | five |
| Fünfter | fifth |
| funken | cable radio spark |
| Lunker | blowhole |
| unklar | ambiguous indistinct |
| Bunker | bunker stash |
| Junker | Junker |