| Diphthong | diphthong |
| diphthongisch | diphthongal diphthongized |
| Triphthong | triphthong |
| Diphthongierung | diphthongization diphthongisation |
| Diptychon | diptych |
| Diphtherie | diphtheria |
| Diplont | diplont |
| Diptoton | diptote |
| Siphon | trap siphon syphon soda siphon |
| iPhone | iPhone |
| Monophthong | monophthong |
| Dichtheit | impermeability |
| Python | python Python |
| Biltong | biltong |
| Diptam | gas plant |
| Diphallie | diphallia |
| Diplom | certificate diploma |
| Diplotän | diplotene |
| Dipol | dipole |
| diploid | diploid |