| Dialektologe | dialectologist |
| Dialektologie | dialectology |
| Dialektologin | dialectologist |
| Diabetologe | diabetologist |
| Diabetologie | diabetology |
| Diabetologin | diabetologist |
| dialektal | dialectal |
| Insektologie | entomology |
| Dianoiologie | dianoialogy |
| Diastole | diastole |
| Dialekt | dialect slang |
| Dialektik | dialectic |
| Dialektometrie | dialectometry |
| dialektisch | dialectical |
| Malediktologie | maledictology |
| Direktflug | direct flight |
| Infektiologie | infectiology |
| Addiktologe | addictologist |
| Planktologie | planktology |
| Proktologe | proctologist |