| Mutoskop | mutoscope |
| Otoskop | otoscope |
| Autoskopie | autolaryngoscopy autoscopy |
| Autosom | autosome |
| Autostopp | hitch-hiking autostop |
| Mitosom | mitosome |
| Rektoskop | rectoscope |
| Zystoskop | cystoscope |
| Endoskop | endoscope |
| Demoskop | pollster public opinion researcher |
| Gyroskop | gyroscope |
| Horoskop | horoscope |
| Koloskop | colonoscope |
| Mikroskop | microscope |
| Pedoskop | pedoscope |
| Pyroskop | pyroscope |
| Mutase | mutase |
| Mutation | mutation |
| Mutismus | mutism |
| Muton | muton |