| Decalin | decalin |
| Decan | decane |
| Denali | Denali |
| Decurio | decurion |
| Decanal | decanal |
| deckeln | impose an upper limit on top carpet |
| decken | roof tile lay shelter meet security coincide guard |
| Bengalin | Bengali |
| Dalit | Dalit |
| Diwali | Diwali |
| Gälin | Gael |
| Meskalin | mescaline |
| Regalien | regalia |
| Sachalin | Sakhalin |
| Adrenalin | adrenaline epinephrine |
| Dualis | dual |
| Israelin | Israelite |
| Nepali | Nepalese Nepali |
| Rivalin | rival |
| Stalin | Stalin |