| Dialyse | dialysis |
| Diärese | diaeresis |
| Analyse | analysis |
| Biolyse | biolysis |
| Diagnose | diagnosis diagnostics |
| Dialekt | dialect slang |
| Dialer | dialer |
| Dialog | dialogue dialog box |
| Diathese | voice diathesis |
| Fiale | pinnacle |
| Analyst | analyst |
| Katalyse | catalysis |
| Paralyse | paralysis |
| Dialysator | dialyzer |
| Diapir | diapir |
| Diarchie | diarchy |
| Diastole | diastole |
| Diäresis | diaeresis |
| Hämodialyse | hemodialysis |
| diaphan | diaphanous translucent |