| Immunsystem | immune system |
| Atmungssystem | respiratory system |
| Notensystem | stave |
| Sternsystem | star system |
| Tonsystem | pitch space |
| Soundsystem | sound system |
| IT-System | IT system |
| Lymphsystem | lymphatic system |
| Schulsystem | school system |
| Subsystem | subsystem |
| Immunologe | immunologist |
| Immunität | immunity |
| immunisieren | immunize make immune |
| Munster | Munster |
| Münster | cathedral minster Munster |
| Nervensystem | nervous system |
| Sonnensystem | solar system Solar System |
| Waffensystem | weapon systems |
| Zahlensystem | number system |
| Zeichensystem | sign system |