| dreiphasig | three-phase |
| zweiphasig | two-phase |
| Dreiphasen- | three-phase |
| Dreipass | trefoil |
| dreimalig | triple |
| dreitägig | three-day |
| dreißig | thirty |
| Dreiheit | triplicity |
| dreifarbig | tricolor |
| dreiseitig | tripartite |
| dreiteilig | tripartite |
| dreizackig | three-pronged |
| Dreiklang | triad |
| Dreikönig | Three Kings' Day |
| dreibeinig | three-legged |
| dreieckig | triangular |
| dreiköpfig | three-headed |
| dreisilbig | trisyllabic |
| dreisprachig | trilingual |
| dreistufig | three-stage |