| Stroboskop | stroboscope strobe |
| Stethoskop | stethoscope |
| Gyroskop | gyroscope |
| Horoskop | horoscope |
| Koloskop | colonoscope |
| Otoskop | otoscope |
| Pyroskop | pyroscope |
| Strabismus | squint |
| Strobe | white pine |
| Strohsack | straw mattress |
| Stromboli | Stromboli |
| Strosse | stope |
| strebsam | assiduous industrious striving |
| Trobador | troubadour |
| Trotzkopf | recalcitrant |
| Spektroskop | spectroscope |
| Ouroboros | ouroboros |
| Ribosom | ribosome |
| Endoskop | endoscope |
| Kolposkop | colposcope |