| Protologie | protology |
| Erotologie | erotology |
| Proktologin | proctologist |
| Proktologe | proctologist |
| Motologie | motology |
| Otologie | otology |
| Aretologie | aretology |
| Phytologie | phytology |
| Pönologie | penology |
| Phonologie | phonology |
| Podologie | chiropody podiatry |
| Pomologie | pomology |
| Tropologie | tropology |
| Kroprologie | scatology |
| Protolyse | protolysis |
| Agnotologie | agnotology |
| Photokopie | photocopy |
| Gelotologie | gelotology |
| Bromatologie | bromatology |
| Deontologie | deontology |