| Protologismus | protologism |
| Prosyllogismus | prosyllogism |
| Paleologismus | paleologism |
| Ökologismus | environmentalism |
| Proselytismus | proselytism |
| Protorassismus | proto-racism |
| Protologie | protology |
| Neologismus | neologism |
| Phraseologismus | phraseology |
| Profeminismus | profeminism |
| Proktologin | proctologist |
| Protektionismus | protectionism |
| Erotologie | erotology |
| Autoerotismus | autoeroticism autoerotism |
| Trotzkismus | trotskyism Trotskyism |
| Ökotourismus | ecotourism |
| aretologisch | aretological |
| Kolorismus | colorism |
| Solözismus | solecism |
| phonologisch | phonological |