| Protektor | protector |
| Protektorat | protectorate |
| Projektor | projector |
| Prospektor | prospector |
| Protektion | patronage |
| Protestler | protester |
| Professor | professor |
| Projekt | project plan |
| Projektil | projectile |
| Projektion | projection |
| Proteom | proteome |
| Protest | protest |
| Prozessor | processor |
| Detektor | detector receiver |
| Bootsektor | boot sector |
| Präfektur | prefecture |
| Rektor | rector principal |
| Prädiktor | predictor |
| Diaprojektor | slide projector |
| Prokyon | Procyon |