| Projektleiter | head of project principle investigator project head project leader project manager project supervisor |
| Projektleiterin | head of project principle investigator project head project leader project manager project supervisor |
| Teilprojektleiter | head of sub project sub-project head sub-project leader sub-project manager sub-project supervisor |
| projektieren | project |
| Protestler | protester |
| Projektil | projectile |
| Projektion | projection |
| Projektor | projector |
| Proletarier | proletarian |
| Protestierer | protester |
| Trittleiter | step ladder |
| Bockleiter | step ladder |
| Drehleiter | turntable ladder |
| Probeklausur | mock exam |
| Probezeit | probationary period |
| Profilleiste | molding |
| Prominenter | star celebrity |
| Promptheit | promptness |
| Protektion | patronage |
| Prozessbutter | renovated butter |
| Prozeßbutter | renovated butter |