| Unterstrich | underline |
| Unterricht | teaching instruction classes lessons |
| Unterschicht | lower class underclass |
| unterseeisch | submarine |
| unterstreichen | underline highlight emphasize |
| untröstlich | inconsolable |
| Federstrich | stroke |
| Querstrich | dash |
| Unterstand | cabana refuge |
| Unterstreichung | underline |
| unterstützt | supported |
| Unterbauch | lower abdomen underbelly |
| Unterdruck | depression low pressure partial vacuum underpressure |
| Untermensch | subhuman |
| Unterrock | petticoat slip half slip underskirt |
| Unterschied | difference |
| Unterschrift | signature |
| Unterseite | bottom underneath underpart underside subpage |
| untergärig | bottom-fermented |
| unterirdisch | underground subterranean subterraneous |