| Diathese | voice diathesis |
| Diärese | diaeresis |
| Diarthrose | diarthrosis |
| Diagnose | diagnosis diagnostics |
| Diakinese | diakinesis |
| Dialyse | dialysis |
| Athene | Athena |
| Kathete | cathetus |
| Metathese | metathesis |
| Orthese | orthosis orthotic |
| Prothese | prosthesis denture |
| Synthese | synthesis |
| These | thesis |
| Siamese | Siamese |
| diese | these |
| Diurese | diuresis |
| Diözese | diocese bishopric |
| Diarchie | diarchy |
| Diastole | diastole |
| Diäresis | diaeresis |