| Direktive | directive |
| direktiv | directive |
| Direktion | administration department |
| Direktrice | manageress |
| Direktor | manager director headmaster principal senior vice president |
| direkt | direct |
| Detektiv | detective |
| Invektive | invective scolding |
| bijektiv | bijective |
| defektiv | defective |
| digestiv | digestive |
| Direktflug | direct flight |
| Direktorium | board of directors |
| Direktorin | headmistress director manager |
| direktional | directional |
| FireWire | firewire |
| deprekativ | deprecative |
| Erektion | erection |
| Rektion | case government government |
| Trekkie | Trekkie |