| Ökosystem | ecosystem |
| Exosystem | exosystem |
| Typsystem | type system |
| IT-System | IT system |
| Oktalsystem | octal numeral system |
| Subsystem | subsystem |
| System | system structure |
| Tonsystem | pitch space |
| Agroökosystem | agroecosystem agrosystem |
| Ökonym | econym |
| Ökostrom | clean power eco-power |
| Kosten | cost charges expenses fees damage |
| kosten | cost take get a taste of taste try enjoy |
| Kostüm | suit costume fancy dress |
| Notensystem | stave |
| Soundsystem | sound system |
| Wahlsystem | voting system |
| Leitsystem | distributed control system |
| Größte | be-all and end-all |
| Kokosdieb | coconut crab |