| Dia | slide |
| Diät | diet |
| Diana | Diana Diane Dayanna Deana Deanna Deanne |
| Diapir | diapir |
| Diadem | diadem |
| Diakon | deacon |
| Dialer | dialer |
| Dialog | dialogue dialog box |
| diaphan | diaphanous translucent |
| Dialekt | dialect slang |
| Dialyse | dialysis |
| Diamant | diamond |
| Diarrhoe | diarrhea diarrhoea dysentery |
| Diarrhö | diarrhea diarrhoea dysentery |
| Diarrhöe | diarrhoea diarrhea dysentery |
| Diashow | slideshow |
| Diärese | diaeresis |
| Diakonin | deaconess |
| Diarchie | diarchy |
| Diastole | diastole |