| Dekan | dean |
| Dekanin | dean |
| Dekanter | decanter |
| Dekkan | Deccan |
| deka- | deca- |
| Dekade | decade group of ten period of ten days period of ten weeks period of ten months decennium |
| Dekor | decor |
| Akan | Akan |
| Alkan | alkane |
| Orkan | hurricane hurricane-force winds |
| Tukan | toucan |
| Dekaeder | decahedron |
| Dekadenz | decadence degeneracy degeneration |
| Dekalog | Decalogue Ten Commandments |
| Dekokt | decoction |
| Dekret | decree |
| Dekurs | decursus morbi |
| dekadent | decadent |
| dekantieren | decant |
| Hekabe | Hecuba |