# fi vs FSB

> German confusable word pair

## The two words

### fi
*adjective · IPA […] · frequency rank #8,710*
fein

### FSB
*noun · IPA [ɛfʔɛsˈbeː] · frequency rank #41,175*
russischer Inlandsgeheimdienst und Geheimpolizei

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