| Nekton | nekton |
| Newton | newton |
| nekro- | necro- |
| Nektar | nectar |
| Hektor | Hector |
| hekto- | hecto- |
| Hekto- | hecto- |
| Lektion | lesson |
| Lektor | lector reader lecturer literary editor |
| Rektion | case government government |
| Rektor | rector principal |
| Sektion | section |
| Sektor | sector |
| Vektion | vection |
| Vektor | vector |
| Jeton | token |
| Beton | concrete |
| Feston | festoon |
| Keton | ketone |
| Lepton | lepton |