| Untertasse | saucer |
| Unterlassen | omission |
| unterlassen | stop |
| Unterklasse | subclass |
| untertags | day daytime during |
| Untertanin | subject |
| Unterwasser- | undersea |
| unter Wasser | underwater |
| untertan | subject |
| Untertan | subject |
| Unterhaus | lower chamber lower house House of Commons |
| Unterhose | underpants pants briefs shorts |
| Unterlage | base pad underlay document paper root-stock |
| Unterwäsche | underwear underclothes underclothing undergarments |
| unterdessen | in the meantime meanwhile |
| untertänig | subservient |
| Interesse | interest concern |
| Terrasse | terrace patio |
| Teetasse | teacup |
| Hunderasse | dog breed |