| unwichtig | unimportant |
| Unwichtigkeit | bagatelle |
| unrichtig | incorrect |
| gewichtig | grave ponderous |
| wichtig | important relevant significant |
| nichtig | invalid void |
| umsichtig | circumspect prudent |
| unwillig | unwilling |
| Unwucht | heavy spot imbalance unbalance |
| aufrichtig | sincere honest candid cordial cordially sincerely |
| einsichtig | sensible understandable insightful |
| richtig | correct right exact correctly properly real really |
| undicht | leaking |
| Unzüchtige | fornicator |
| andächtig | devotional |
| wuchtig | powerful massive |
| ungiftig | atoxic non-toxic non-venomous nonpoisonous nontoxic nonvenomous |
| unwürdig | disingenuous |
| Wichtel | secret Santa |
| gewichten | weight |