| Sternsystem | star system |
| Notensystem | stave |
| Untersystem | sub-system |
| Tonsystem | pitch space |
| Dateisystem | file system |
| Soundsystem | sound system |
| Typsystem | type system |
| Exosystem | exosystem |
| IT-System | IT system |
| Immunsystem | immune system |
| Leitsystem | distributed control system |
| Nervensystem | nervous system |
| Schulsystem | school system |
| Sonnensystem | solar system Solar System |
| Sterndeuter | astrologer |
| Sternkarte | celestial chart stellar map |
| Sternsinger | carol singer caroler caroller |
| Sternwarte | observatory |
| Subsystem | subsystem |
| Stirnseite | gable end |