| Vexillologie | vexillology |
| Vexillologe | vexillologist |
| Vexillologin | vexillologist |
| vexillologisch | vexillologic |
| Lexikologie | lexicology |
| Lexikologe | lexicologist |
| Lexikologin | lexicologist |
| Phallologie | phallology |
| Philologie | philology |
| Feminologie | feminology |
| Sexologie | sexology |
| Sexuologie | sexology |
| Axiologie | axiology |
| Cecidologie | cecidology |
| Exobiologie | astrobiology |
| Keltologie | Celtic studies |
| Seismologie | seismology |
| Teleologie | teleology |
| Toxikologie | toxicology |
| Venerologie | venereology |