| Unterwäsche | underwear underclothes underclothing undergarments |
| Unterwäschedieb | snowdropper |
| Untertauchen | immersion |
| untertauchen | submerge |
| Unterwäschediebin | snowdropper |
| untermischen | mingle |
| Unterbauch | lower abdomen underbelly |
| Untertasse | saucer |
| Unterarmtasche | clutch bag |
| Unterlassen | omission |
| unterlassen | stop |
| Unterwasser- | undersea |
| unter Wasser | underwater |
| unterjochen | subjugate subdue |
| Unterhose | underpants pants briefs shorts |
| Unterklasse | subclass |
| Unterlage | base pad underlay document paper root-stock |
| Untermensch | subhuman |
| Unterricht | teaching instruction classes lessons |
| Unterschied | difference |