| unzumutbar | unreasonable |
| unzählbar | uncountable |
| unfruchtbar | infertile |
| unhaltbar | untenable |
| unkaputtbar | indestructible unbreakable |
| unsichtbar | invisible |
| unbenutzbar | unusable |
| unbeugbar | indeclinable |
| unkündbar | binding permanent |
| unleugbar | undeniable |
| Unzüchtige | fornicator |
| Unzüchtiger | fornicator |
| Unzucht | indecency sexual offence |
| unzerstörbar | indestructible |
| Zumba | Zumba |
| Zumutung | imposition |
| zumuten | ask expect |
| Urmutter | foremother |
| Unmut | discontent dissatisfaction |
| azimutal | azimuthal |