| Prognathie | prognathism prognathia prognathy |
| Orographie | orography |
| Orthognathie | orthognathy orthognathysm |
| Progerie | progeria |
| Prognose | forecast |
| Xerographie | xerography |
| Myopathie | myopathy |
| Biographie | biography |
| Optographie | optography |
| Bronchie | bronchus |
| Geographie | geography |
| Paronychie | paronychia |
| Probandin | guinea pig |
| Profanation | desecration |
| Prolaktin | prolactin |
| Proletin | Philistine |
| Promptheit | promptness |
| Pronaos | pronaos |
| Pronoia | pronoia |
| Propadien | propadiene |