Planetensystem
planetary system
Notensystem
stave
Glaubenssystem
belief system
Nervensystem
nervous system
Periodensystem
periodic table
Sonnensystem
solar system
Solar System
Waffensystem
weapon systems
Zahlensystem
number system
Dateisystem
file system
Untersystem
sub-system
Larsen-System
Larsen's Opening
Queen's Fianchetto Opening
Planetenring
planetary ring
Planetesimal
planetesimal
Plattensee
Balaton
Zeichensystem
sign system
Sternsystem
star system
Tonsystem
pitch space
Zehnersystem
decimal
Leitsystem
distributed control system
Managementsystem
management system