| Herzoperation | heart surgery |
| Kooperation | cooperation co-operation |
| Operation | surgery operation |
| Zahnoperation | dental operation |
| perioperativ | perioperative |
| Perseveration | perseveration |
| Perspiration | perspiration |
| Rekuperation | recuperation |
| Herostratos | Herostratus |
| Thermozeption | thermoception |
| Perzeption | perception |
| präoperativ | preoperative |
| Perkolation | percolation |
| Perlustration | perlustration |
| Agglomeration | agglomeration conurbation |
| Degeneration | degeneration |
| Föderation | federation |
| Generation | generation |
| Konföderation | confederation |
| Moderation | moderation presentation |