| Placeboeffekt | placebo effect |
| Placebo | placebo |
| Peltiereffekt | Peltier effect |
| Plazebo | placebo |
| Playbook | playbook |
Facebook | |
| facebooken | Facebook facebook |
| Dominoeffekt | domino effect |
| Pantoffel | slipper |
| Halleffekt | Hall effect |
| Nebeneffekt | side effect |
| Seiteneffekt | side effect |
| Affekt | affect |
| Effekt | effect |
| Hall-Effekt | Hall effect |
| Lotoseffekt | lotus effect |
| Lotuseffekt | lotus effect |
| Tunneleffekt | tunnel effect |
| Präfekt | prefect |
| Perfekt | perfect |
| perfekt | perfect |