| Periphyton | periphyton |
| Periastron | periastron |
| Peripetie | peripeteia |
| Peripherie | periphery |
| Periphrase | periphrasis |
| peripher | peripheral |
| berichten | report relate refer |
| Triptoton | triptote |
| Epiphyt | epiphyte |
| Porphyrin | porphyrin |
| Xerophyt | xerophyte |
| Epitheton | epithet |
| Periost | periosteum |
| Perizykel | pericycle |
| Periöken | Perioikoi |
| Perkolation | percolation |
| Perlhuhn | guinea fowl |
| Persephone | Persephone |
| Persipan | persipan |
| Perfektion | perfection |