| Dissektion | dissection |
| Direktion | administration department |
| Dissipation | dissipation |
| Disjunktion | disjunction exclusive disjunction |
| Diskretion | discretion |
| Dispersion | dispersion |
| Dissertation | dissertation thesis |
| Distinktion | distinction |
| Assertion | assertion affirmation averment |
| Resektion | resection |
| Sektion | section |
| Vivisektion | vivisection |
| Bijektion | bijection |
| Dejektion | dejecta |
| Infektion | infection |
| Injektion | injection shot |
| Inspektion | inspection |
| Diktion | diction |
| Desertion | desertion |
| Dissenter | deviationist |