| unduldsam | intolerant |
| duldsam | indulgent |
| unkündbar | binding permanent |
| wundersam | wondrous |
| Uncle Sam | Uncle Sam |
| unbeugsam | grim |
| unheilsam | unwholesome |
| unachtsam | distracted |
| unliebsam | disagreeable |
| unwirksam | ineffective void |
| hundlos | dogless |
| und so | all that jazz |
| und zwar | namely |
| und/oder | and/or |
| undenkbar | unthinkable |
| undulieren | undulate |
| Bundesamt | federal office |
| Fundus | basic equipment repository stock fund |
| Undecan | undecane |
| Underdog | underdog |