| Unterstand | cabana refuge |
| Unverstand | foolishness |
| untertan | subject |
| Untertan | subject |
| Unterpfand | pledge |
| Überstand | boss |
| Untertanin | subject |
| Unterton | subharmonic |
| Untergang | downfall sinking decline |
| Untergrund | bedrock (geol.) subfloor subgrade (constr., tech., geol.) subsoil substrate substratum base basis footing ground base coat (paint etc.) base material surface undercoat (paint etc.) underground |
| untertags | day daytime during |
| untertänig | subservient |
| Bücherstand | bookstand |
| unverstanden | opaque |
| Führerstand | driver's cab |
| Verstand | mind reason |
| Widerstand | resistance resistor |
| Übelstand | grievance |
| Unterbühne | mezzanine |
| Unterkleid | slip |