| unwirksam | ineffective void |
| Unwirksamkeit | ineffectiveness |
| wirksam | effective efficacious |
| unwirsch | disquietingly splenetic stroppy |
| kurzwirksam | short-acting |
| unliebsam | disagreeable |
| unwirklich | visionary surreal |
| Unwissen | ignorance |
| Bezirksamt | district authority |
| aufmerksam | attentive |
| Uncle Sam | Uncle Sam |
| unbeugsam | grim |
| unheilsam | unwholesome |
| unachtsam | distracted |
| unduldsam | intolerant |
| wundersam | wondrous |
| Unwahrkeit | falsity |
| Unwort | misnomer |
| unwillig | unwilling |
| unwählbar | unelectable |