| Tetris | Tetris |
| Petrus | Peter |
| Metrik | metric |
| Eris | Eris |
| Tigris | Tigris |
| Stettin | Szczecin Stettin |
| Tetanus | tetanus |
| Tetum | Tetum |
| stetig | continuous |
| stets | always constantly continuously everytime |
| -metrie | -metry |
| Ametrin | ametrine |
| Metro | Tube |
| Metrum | meter |
| Petr | Peter |
| petrol | teal |
| retro- | retro- |
| Betrag | amount absolute value magnitude |
| Betrieb | business concern |
| Betrug | fraud deceit |