| perinatal | perinatal |
| pränatal | prenatal |
| perimortal | perimortal perimortem |
| Pinata | pinata |
| postnatal | postnatal |
| parental | parental |
| parietal | parietal |
| Periklas | periclase |
| Periost | periosteum |
| Perizykel | pericycle |
| Pernau | Pärnu |
| peroral | peroral |
| Perigäum | perigee |
| Perihel | perihelion |
| Perikarp | pericarp |
| Perineum | perineum |
| Peripetie | peripeteia |
| Personal | personnel staff human resources |
| Perzentil | percentile |
| perkutan | percutaneous diadermic through the skin transcutaneous transdermal transdermic |