| zwiefach | double twice |
| Zwieback | rusk biscuit zwieback |
| zweifach | double twice |
| Zwielaut | diphthong |
| Zwielicht | twilight |
| Zwietracht | discord disunion disunity conflict dissension |
| Gefach | labor union |
| vielfach | manifold |
| Eisfach | freezer compartment ice-box |
| Zahnfach | dental alveolus |
| einfach | simple easy simply single |
| vierfach | fourfold quadruple |
| zehnfach | tenfold |
| zwölffach | duodecuple twelvefold |
| Zwickau | Zwickau |
| zwie- | twi- |
| Zwiebel | onion bulb |
| Zwiespalt | conflict |
| Kniefall | kneeling down |
| Lehrfach | subject |