| Prosopagnosie | prosopagnosia prosophenosia |
| Prosopopöie | personification |
| Prognose | forecast |
| Propanol | propanol |
| Propanon | acetone |
| Prosodie | prosody |
| Protologie | protology |
| Nosophobie | nosophobia |
| Agnosie | agnosia |
| Physiognomie | physiognomy |
| Photopsie | photopsia |
| Kroprologie | scatology |
| Probandin | guinea pig |
| Prolepse | prolepsis |
| Prolepsis | prolepsis |
| Pronaos | pronaos |
| Pronoia | pronoia |
| Propadien | propadiene |
| Propagandistin | propagandist |
| Prospektor | prospector |