| Zehnersystem | decimal |
| Sechsersystem | senary |
| Zweiersystem | binary numeral system |
| Zahlensystem | number system |
| Nervensystem | nervous system |
| Untersystem | sub-system |
| Binärsystem | binary system |
| Sonnensystem | solar system Solar System |
| Tunnelsystem | tunnel system |
| Zeichensystem | sign system |
| Zahnersatz | prosthodontics |
| Ferner Osten | Far East |
| Rednerliste | list of speakers speaker's list |
| Zwanzigersystem | vigesimal system |
| zerbersten | to burst |
| Dateisystem | file system |
| Notensystem | stave |
| Soundsystem | sound system |
| Wahlsystem | voting system |
| Bezugssystem | frame of reference reference frame |