| Plektron | plectrum |
| Elektron | electron electrum |
| Plektrum | plectrum |
| Alektryon | Alectryon |
| Elektro- | electro- |
| elektro- | electro- |
| Elektion | election |
| Lektion | lesson |
| Plastron | ascot tie |
| Alekto | Alecto |
| Elektor | elector |
| Lektorin | lecturer |
| Elektrode | electrode |
| Elektronik | electronics electronic circuit |
| Lektor | lector reader lecturer literary editor |
| Selektion | screening selection |
| elektrogen | elektrogenic |
| Erektion | erection |
| Nekton | nekton |
| Rektion | case government government |