| Schneeballsystem | pyramid scheme |
| Schneeball | snowball snowball tree guelder rose |
| Schneeballahorn | italian maple |
| Schulsystem | school system |
| Schneelast | snow load |
| Schnellkost | fast food |
| Schneeballschlacht | snowball fight |
| Schneebesen | egg whisk eggbeater wire whisk |
| Schneefall | snowfall |
| Schneefallgrenze | snow line |
| Schneehase | alpine hare mountain hare snow hare white hare arctic hare |
| Schriftsystem | writing system |
| Zehnersystem | decimal |
| Kristallsystem | crystal system |
| Sedezimalsystem | hexadecimal |
| Inertialsystem | inertial reference frame |
| Tunnelsystem | tunnel system |
| Sechsersystem | senary |
| Sonnensystem | solar system Solar System |
| Schellente | common goldeneye |