| widerlegbar | falsifiable |
| Widerlegbarkeit | disprovability |
| unwiderlegbar | incontrovertibly |
| Widerlegung | rebuttal |
| widerlegen | disprove refute |
| wiederbelebbar | revivable |
| belegbar | provable |
| erregbar | nervously |
| Widergänger | revenant |
| Widerklage | counterclaim |
| Widerling | creep |
| Widerpart | opponent |
| Widersacher | adversary |
| widerlich | disgusting nauseating abhorrent |
| widersagen | disavow recant reject renounce take back |
| widersetzen | oppose defy resist |
| Weidelgras | ryegrass |
| niederlegen | depose |
| änderbar | changeable |
| Wiederaufbau | reconstruction |