| Permutation | permutation |
| Perkolation | percolation |
| Perlustration | perlustration |
| Persuasion | persuasion |
| Perturbation | perturbation |
| Fermentation | fermentation |
| Kommutation | substitution test |
| Mutation | mutation |
| Reputation | reputation |
| Bergstation | mountain station top station upper station |
| Emulation | emulation |
| Operation | surgery operation |
| Perfektion | perfection |
| Perkussion | percussion |
| Perlokution | perlocution |
| Perspiration | perspiration |
| Perzeption | perception |
| Uperisation | uperisation |
| perkutan | percutaneous diadermic through the skin transcutaneous transdermal transdermic |
| permutabel | permutable |