| Perikarp | pericarp |
| Periklas | periclase |
| Perikles | Pericles |
| Perikope | pericope |
| Perigäum | perigee |
| Periskop | periscope |
| Erika | Heather heath heather |
| Rikard | Richard |
| Epikard | epicardium |
| Pelikan | pelican |
| Pekari | peccary |
| Exokarp | epicarp |
| Mesokarp | mesocarp |
| prekär | precarious tricky uneasy awkward embarrassing parlous really difficult |
| Peri | peri |
| Periost | periosteum |
| Periöken | Perioikoi |
| Pernau | Pärnu |
| Persipan | persipan |
| peroral | peroral |