| Sichelzelle | sickle cell |
| Scherwelle | transverse wave |
| Sicheltanne | cryptomeria japanese cedar |
| Sichelzellenanämie | sickle-cell disease |
| sicherstellen | confiscate seize guarantee assure |
| Lichtwelle | light wave |
| Lichtquelle | light source |
| Schellente | common goldeneye |
| Scheele | Scheele |
| Schelle | bell |
| Nesselzelle | cnidocyte |
| Samenzelle | spermatozoon |
| Superzelle | supercell |
| Tochterzelle | daughter cell |
| Schubwelle | transverse wave |
| Mittelwelle | Medium frequency |
| Schallwelle | sound wave |
| Schwelle | threshold doorstep on the verge sleeper railroad tie |
| Sichtanzeige | readout |
| sich beeilen | hurry |