| Perkolation | percolation |
| Perlokution | perlocution |
| Permutation | permutation |
| Eskalation | escalation |
| Spekulation | speculation |
| Zirkulation | circulation |
| Dekoration | decoration |
| Operation | surgery operation |
| Perfektion | perfection |
| Perkussion | percussion |
| Perspiration | perspiration |
| Persuasion | persuasion |
| Perturbation | perturbation |
| Perzeption | perception |
| Uperisation | uperisation |
| Kollation | collating collation |
| Prolaktin | prolactin |
| Interpolation | interpolation |
| Isolation | insulation isolation |
| Epilation | epilation |