| Tektit | tektite |
| Smektit | smectite |
| Hektik | hecticness |
| Taktik | military tactics |
| taktil | tactile tactual |
| Petit | brevier |
| Tekkno | techno |
| Detektiv | detective |
| Tektonik | tectonics |
| Hektor | Hector |
| Lekt | lect |
| Rektus | direct case |
| hekto- | hecto- |
| Hekto- | hecto- |
| Hektar | hectare |
| Lektion | lesson |
| Lektor | lector reader lecturer literary editor |
| Nektar | nectar |
| Nekton | nekton |
| Rektion | case government government |