| unfair | unfair |
| unfein | vulgar |
| Unfall | accident casualty |
| unfähig | incapable incompetent unable |
| fair | fair |
| Unfug | devilry mischief |
| unflätig | foul |
| Funfact | fun fact |
| Fünfer | five |
| Fünfter | fifth |
| Unflat | ordure |
| fünfzig | fifty |
| künftig | future upcoming forthcoming |
| zünftig | able decent |
| Anfahrt | approach |
| Anfall | attack seizure |
| Anfang | beginning commencement onset start origin outset |
| Infamie | infamy |
| Infant | infante |
| infam | infamous |