| Christologie | Christology |
| Histologie | histology |
| Chresmologe | chresmologue |
| Christosophie | christosophy |
| Chronologie | chronology |
| christologisch | Christological |
| Histologe | histologist |
| Histologin | histologist |
| Phraseologie | phraseology |
| Christblock | Yule log |
| Christklotz | Yule log |
| Christrose | hellebore Christmas rose |
| Addiktologie | addictology |
| Aretologie | aretology |
| Erotologie | erotology |
| Hämatologie | haematology |
| Dermatologie | dermatology |
| Gerontologie | gerontology |
| Herpetologie | herpetology |
| Komitologie | comitology |