| unterdessen | in the meantime meanwhile |
| Unterlassen | omission |
| unterlassen | stop |
| unterweisen | educate |
| unvergessen | unforgotten |
| unterheben | fold |
| Unternehmen | enterprise business |
| unternehmen | undertake |
| Untertasse | saucer |
| untergeben | subordinate |
| untergehen | sink |
| unterlegen | inferior |
| unterteilen | divide |
| unterteufen | down |
| unterwerfen | subdue |
| Entermesser | cutlass |
| Interesse | interest concern |
| Interessent | interested party potential buyer potential customer prospect prospective buyer prospective customer applicant interested person |
| überessen | overeat |
| Unterdeck | lower deck |