| Koloskop | colonoscope |
| Koloskopie | colonoscopy |
| Kolposkop | colposcope |
| koloskopisch | coloscopic |
| Horoskop | horoscope |
| Otoskop | otoscope |
| Kolophon | colophon |
| Koloss | colossus |
| Kolosser | Colossian Colossians |
| kolossal | colossal huge |
| Toeloop | toe loop toe loop jump |
| Endoskop | endoscope |
| Demoskop | pollster public opinion researcher |
| Gyroskop | gyroscope |
| Mutoskop | mutoscope |
| Pedoskop | pedoscope |
| Pyroskop | pyroscope |
| Teleskop | telescope |
| Kolk | scour |
| Kollektor | collector |