| Rektorin | headmistress |
| Lektorin | lecturer |
| Direktorin | headmistress director manager |
| Rektor | rector principal |
| Doktorin | Doctor |
| Mentorin | mentor |
| Retterin | savior |
| Reiterin | equestrian horserider horsewoman |
| Rekord | record |
| Rektion | case government government |
| -ektomie | -ectomy |
| Hektor | Hector |
| Lektor | lector reader lecturer literary editor |
| Nektarine | nectarine |
| Nekton | nekton |
| Sektor | sector |
| Tektonik | tectonics |
| Vektor | vector |
| pektoral | pectoral |
| sektoral | sectoral sectorial |