| Diastema | diastema |
| Diastole | diastole |
| Diadem | diadem |
| Diaspora | diaspora |
| Miasma | stench fetor miasma |
| Piaster | piastre piaster |
| Asthma | asthma |
| Distel | thistle |
| Diasporal | diasporal |
| Diazepam | diazepam |
| Diabetes | diabetes |
| Diagramm | diagram chart |
| Dialekt | dialect slang |
| Dialer | dialer |
| Diana | Diana Diane Dayanna Deana Deanna Deanne |
| Diashow | slideshow |
| Diathese | voice diathesis |
| Diärese | diaeresis |
| Diät | diet |
| Chiasma | chiasm crossing over |