# faul vs fl

> German confusable word pair

## The two words

### faul
*adjective · IPA [faʊ̯l] · frequency rank #5,826*
nicht mehr frisch; verrottet, verfault

### fl
*abbrev · frequency rank #13,360*
Femtoliter (= 10⁻¹⁵ l, ein billiardstel Liter)

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/de/vs/faul-vs-fl