| Delfinarium | dolphinarium |
| Delphinarium | dolphinarium |
| Delirium | delirium insanity |
| Tepidarium | hothouse |
| Bestiarium | bestiary |
| Delawarin | Delaware |
| deliriös | delirious |
| Delfin | dolphin butterfly stroke Delphinus |
| Definiendum | definiendum |
| Definition | definition |
| definitiv | definitive definite positively |
| Seminarist | seminarist |
| Deklination | declension declination |
| Destination | destination |
| Ordinarius | ordinary |
| Seminarraum | seminar room |
| Hymnarium | hymnal |
| Ozeanarium | oceanarium |
| Szenarium | scenario |
| Columbarium | columbarium |