| Direktor | manager director headmaster principal senior vice president |
| Direktorin | headmistress director manager |
| Direktorium | board of directors |
| Direktion | administration department |
| direkt | direct |
| direktiv | directive |
| Rektor | rector principal |
| Bivektor | bivector |
| Detektor | detector receiver |
| Direktive | directive |
| Zoodirektor | zoo director |
| Korrektor | proofreader |
| Elektor | elector |
| Hektor | Hector |
| Deflektor | deflector |
| Lektor | lector reader lecturer literary editor |
| Sektor | sector |
| Selektor | selector |
| Vektor | vector |
| Distraktor | distracter |