| Untertanin | subject |
| untertänig | subservient |
| untertan | subject |
| Untertan | subject |
| Unterlagen | document |
| Unterstand | cabana refuge |
| Unterton | subharmonic |
| Unterfangen | undertaking |
| Untergang | downfall sinking decline |
| Untertasse | saucer |
| untergärig | bottom-fermented |
| unterhaken | arm link |
| untersagen | ban |
| untertags | day daytime during |
| Tuntentante | fag hag |
| Unterkleid | slip |
| Unterlassen | omission |
| unterlassen | stop |
| Untermenge | subset |
| Untertauchen | immersion |
| untertauchen | submerge |