| Glaubenssystem | belief system |
| Glaubenssatz | belief system |
| Larsen-System | Larsen's Opening Queen's Fianchetto Opening |
| Glaubensbruder | co-religionist |
| Glaubensschwester | co-religionist |
| Gaubenfenster | dormer-window |
| Planetensystem | planetary system |
| Waffensystem | weapon systems |
| Zahlensystem | number system |
| Abgassystem | exhaust gas system exhaust system |
| Glaubensartikel | article of faith |
| Taubenteiste | pigeon guillemot |
| Gaupenfenster | dormer-window |
| Notensystem | stave |
| Nervensystem | nervous system |
| Sonnensystem | solar system Solar System |
| Zeichensystem | sign system |
| Atmungssystem | respiratory system |
| Betriebssystem | operating system production system |
| Bezugssystem | frame of reference reference frame |