| Denguefieber | dengue fever |
| Gelbfieber | yellow fever |
| Denkfehler | error in reasoning |
| denunzieren | denounce denunciate |
| Venusianer | Venusian |
| Q-Fieber | Q fever |
| Fieber | fever |
| Gefieder | plumage feathering |
| entlieben | fall out of love |
| Fünfheber | pentameter |
| Neusilber | nickel silver |
| Deneb | Deneb |
| Denkaufgabe | brainteaser |
| Fadenzieher | snag |
| denaturieren | denature |
| denitrieren | denitrify |
| Denise | Denise Danice Denese Denice Deniece Denisa |
| Denker | thinker philosopher |
| Denver | Denver |
| Gedenkfeier | commemoration |