| doktrinär | doctrinaire |
| doktrinal | doctrinal |
| Doktrin | doctrine |
| Doktorin | Doctor |
| trinär | trinary |
| Okarina | ocarina |
| Diktionär | dictionary |
| Doktorat | doctorate |
| Doktor | doctor physican |
| Doktorand | Ph.D. candidate Ph.D. student doctorand |
| Doktorgrad | doctor's degree |
| Baktrier | Bactrian |
| Dextrin | dextrin |
| Drina | Drina |
| Dakerin | Dacian |
| Veterinär | veterinarian vet |
| Domina | dominatrix |
| nonbinär | non-binary |
| ordinär | ordinary common vulgar |
| originär | original |