| Diomedes | Diomedes |
| Diogenes | Diogenes |
| Diode | diode |
| Diözese | diocese bishopric |
| Dromedar | dromedary Arabian camel |
| Dione | Dione |
| Dioptas | dioptase |
| Diopter | diopter |
| Dioxid | dioxide |
| Eudiometer | eudiometer |
| Radiometer | radiometer |
| diözesan | diocesan |
| Odometer | odometer |
| Picometer | picometer |
| Geometer | surveyor |
| Kilometer | kilometer kilometre |
| Komedo | comedo |
| Myomere | myomere |
| Pikometer | picometer picometre |
| Meder | Mede |