| erektil | erectile |
| Erektion | erection |
| rektal | rectal |
| Reptil | reptile |
| Erethie | erethism |
| Eremit | hermit hermit beetle |
| Rektus | direct case |
| Rektion | case government government |
| Rektor | rector principal |
| Rektum | rectum |
| Trekkie | Trekkie |
| direktiv | directive |
| Elektor | elector |
| Smektit | smectite |
| Tektit | tektite |
| selektiv | selective |
| Detektiv | detective |
| Elektion | election |
| Hektik | hecticness |
| Projektil | projectile |