| Antiblockiersystem | antilock brake system antilock braking system |
| Untersystem | sub-system |
| Abwassersystem | sewage system sewerage wastewater system |
| Entladesystem | unload system |
| Antibakterium | antibacterial |
| Antiochier | Antiochian |
| Antiochierin | Antiochian |
| Antikörpertiter | antibody titer antibody titre |
| blockieren | interlock obstruct block barricade |
| Autolackierer | painter |
| Zweiersystem | binary numeral system |
| Dreikammersystem | tricameralism |
| Sechsersystem | senary |
| Zwanzigersystem | vigesimal system |
| Notensystem | stave |
| Agroökosystem | agroecosystem agrosystem |
| Aufladesystem | charging system |
| Periodensystem | periodic table |
| Stellenwertsystem | positional notation system |
| Zeichensystem | sign system |