| untertan | subject |
| Untertan | subject |
| Untertanin | subject |
| untertänig | subservient |
| Unterton | subharmonic |
| Unterstand | cabana refuge |
| Unterbau | foundation |
| Untergang | downfall sinking decline |
| untertags | day daytime during |
| Unterlagen | document |
| Untertänigkeit | subservience |
| Unterzug | girder |
| Untoten | undead |
| unterer | lower |
| Unterarm | forearm |
| Unterart | subspecies |
| Unterhalt | alimony upkeep |
| Unterhaus | lower chamber lower house House of Commons |
| Unterlage | base pad underlay document paper root-stock |
| Unterlauf | lower reaches |