| Chresmologe | chresmologue |
| Christologie | Christology |
| Phrenologe | phrenologist |
| Chronologie | chronology |
| Phrenologie | phrenology |
| Kosmologe | cosmologist |
| Seismologe | seismologist |
| Pneumologe | pneumologist |
| Etruskologe | Etruscologist |
| Histologe | histologist |
| Phraseologie | phraseology |
| Physiologe | physiologist |
| Theologe | theologian |
| Christblock | Yule log |
| Christklotz | Yule log |
| Chronobiologe | chronobiologist |
| Christrose | hellebore Christmas rose |
| Chromosom | chromosome |
| Phrenologin | phrenologist |
| Meeresbiologe | marine biologist |