| Fehlerprofil | error measurement |
| Sohlenprofil | tread |
| fehlerfrei | faultless flawless accurate perfect |
| fehlerhafte | mispronunciation |
| fehlerhaft | faulty erroneous flawed |
| fehlerlos | flawless |
| Feuerprobe | trial by fire |
| Fehlerbalken | error bar |
| Fehlerfreiheit | accuracy |
| Fehlgriff | blunder |
| Fehler | error mistake fault defect blemish flaw snag shortcoming drawback weakness |
| Fehlerliste | error list |
| Fehlerquelle | source of error |
| Fehlerwirkung | failure |
| Hehlerin | fence |
| Hehlerei | receiving stolen goods |
| Kühlergrill | radiator grille |
| fauler Apfel | bad apple |
| Tellerventil | poppet valve |
| Federpennal | pencil case |