| dreißig | thirty |
| Dreißiger | thirties |
| Dreißigeck | triacontagon |
| dreißigmal | thirty times |
| dreißigste | thirtieth |
| Dressing | dressing |
| Reisig | brushwood |
| fleißig | diligent industrious assiduous hardworking keen studious |
| rissig | cracky |
| Dreiheit | triplicity |
| dreiphasig | three-phase |
| dreiseitig | tripartite |
| Dreibein | tripod |
| Dreikönig | Three Kings' Day |
| Dressur | dressage |
| dreckig | dirty filthy |
| dreieckig | triangular |
| dreimalig | triple |
| dreisilbig | trisyllabic |
| dreist | brash cheeky |