| Rektum | rectum |
| Rektus | direct case |
| Rekrut | recruit |
| Rektor | rector principal |
| rektal | rectal |
| Diktum | adage dictum |
| Faktum | fact |
| Septum | septum |
| Tetum | Tetum |
| Reklame | advertisement |
| Rekord | record |
| Rektion | case government government |
| erektil | erectile |
| rekeln | pandiculate stretch out |
| Hektor | Hector |
| Lekt | lect |
| Perfektum | perfective aspect |
| Tektit | tektite |
| hekto- | hecto- |
| Hekto- | hecto- |