| Peltiereffekt | Peltier effect |
| Seiteneffekt | side effect |
| Dopplereffekt | Doppler effect |
| Petrefakt | fossil |
| Nebeneffekt | side effect |
| Placeboeffekt | placebo effect |
| Pelztierzucht | fur farming |
| Elternzeit | parental leave |
| Rentierfell | reindeer fur |
| Vorführeffekt | demonstration effect |
| betreffen | concern affect |
| betreffend | at concern |
| Doppler-Effekt | Doppler effect |
| Halleffekt | Hall effect |
| externer Effekt | externality |
| Hall-Effekt | Hall effect |
| Lotoseffekt | lotus effect |
| Lotuseffekt | lotus effect |
| Tunneleffekt | tunnel effect |
| Perfekt | perfect |
| perfekt | perfect |