| Zweifel | doubt |
| Zweifeln | dubitation |
| zweifeln | doubt |
| zweifelnd | doubtful |
| zweifellos | undoubtedly no doubt doubtless doubtlessly certainly indubitable |
| zweifelhaft | doubtful dubious |
| Zweier | two |
| Zweite | runner-up |
| zweite | second |
| zweiter | latter |
| Zweiter | runner-up |
| Zweifelsfall | case of doubt |
| zweifelsfrei | doubtless |
| zweifelsohne | undoubtedly unquestionably |
| zweimal | twice |
| Weisel | queen bee |
| weifen | reel |
| Bezweifeln | dubitation |
| bezweifeln | doubt |
| Zweitor | quadripole |