| Defloration | defloration |
| Deflation | deflation |
| Dekoration | decoration |
| Deklaration | declaration |
| Defäkation | defecation |
| Exploration | exploration |
| Melioration | melioration |
| Dehydration | dehydration |
| Deklamation | declamation harangue |
| Deklination | declension declination |
| Delegation | delegation |
| Denotation | implications import |
| Deportation | deportation |
| Detonation | detonation |
| Reformation | Reformation reformation |
| Definition | definition |
| deflorieren | deflower |
| Reflektion | reflection |
| Decorator | decorator pattern |
| Dekoratör | decorator |