| unter anderem | among other things inter alia |
| Unterhändler | mediator negotiator transactor |
| Unterhändlerin | mediator |
| unterminieren | undermine |
| und andere | et al. |
| und anderes | et al. |
| unverändert | unaltered unchanged unmodified unvaried |
| Unterhalter | entertainer |
| Unterwasser- | undersea |
| unter Wasser | underwater |
| unterernähren | underfeed |
| Unterarm | forearm |
| Unterfangen | undertaking |
| unterbinden | stop |
| untereinander | one under the other among ourselves / themselves |
| unterfordern | demand too little not challenge enough underchallenge |
| untermauern | shore up underpin corroborate substantiate |
| unterminiert | undermined |
| interagieren | interact |
| internieren | intern |