| diachron | diachronic diachronically |
| Diachronie | diachrony |
| diachronisch | diacronic |
| diaphan | diaphanous translucent |
| Diakon | deacon |
| Diashow | slideshow |
| Kachon | cajón |
| Machlon | Mahlon |
| Acheron | Acheron |
| Drachen | kite deltoid |
| Drachin | dragoness |
| Tachyon | tachyon |
| bichrom | bichrome |
| synchron | synchronous synchronic |
| Diakonin | deaconess |
| Diapir | diapir |
| Diarchie | diarchy |
| Diarthrose | diarthrosis |
| Dialer | dialer |
| Dialog | dialogue dialog box |