| Diaspora | diaspora |
| Diasporal | diasporal |
| Diapir | diapir |
| Diastole | diastole |
| Adiaphora | adiaphora adiaphoron |
| Diashow | slideshow |
| Diastema | diastema |
| diaphan | diaphanous translucent |
| Diagnose | diagnosis diagnostics |
| Diakon | deacon |
| Dialer | dialer |
| Dialog | dialogue dialog box |
| Diana | Diana Diane Dayanna Deana Deanna Deanne |
| diagonal | diagonal |
| diametral | diametric diametrical |
| Fiasko | fiasco flop |
| Miasma | stench fetor miasma |
| Piaster | piastre piaster |
| Caspar | Caspar |
| Kaspar | Caspar |