| Perspiration | perspiration |
| Exspiration | exhalation expiration |
| Perseveration | perseveration |
| Konspiration | conspiracy |
| Aspiration | aspiration |
| Inspiration | inspiration |
| Präaspiration | preaspiration |
| Präparation | dissection |
| Perkolation | percolation |
| Perlustration | perlustration |
| Herzoperation | heart surgery |
| Permutation | permutation |
| Persuasion | persuasion |
| Perturbation | perturbation |
| Rekuperation | recuperation |
| Uperisation | uperisation |
| Penetration | penetration |
| Reparation | reparation |
| Separation | separation |
| Epilation | epilation |