| unfaßbar | abstruse |
| unfassbar | inconceivable incomprehensible unfathomable incredible unbelievable |
| erfassbar | tangible |
| fassbar | comprehensible |
| unessbar | inedible |
| unmessbar | immeasurable |
| unmeßbar | immeasurable |
| unfehlbar | infallible unfailing unerring |
| unlösbar | insolvable |
| unlesbar | indecipherable |
| unsagbar | preposterous |
| unwählbar | unelectable |
| undankbar | ungrateful |
| unhaltbar | untenable |
| unwägbar | immeasurable unmeasurable |
| unzählbar | uncountable |
| unfair | unfair |
| unfasslich | incredible unbelievable |
| Anfassen | apprehension |
| anfassen | touch |