| Diphtherie | diphtheria |
| diphtherisch | diphtherial diphtheric |
| Eichtheorie | gauge theory |
| Dichtheit | impermeability |
| Dichterin | poetess |
| Diphallie | diphallia |
| Diphthong | diphthong |
| witherit | witherite |
| Diathese | voice diathesis |
| Hypothermie | hypothermia |
| Isotherme | isotherm |
| Pathergie | pathergy |
| Bigotterie | bigotry |
| Minuterie | time switch timer |
| Piraterie | piracy |
| Richterin | judge |
| Dioptrie | diopter dioptre |
| Diplomatie | diplomacy |
| Dipsomanie | dipsomania |
| Peripherie | periphery |