# cos vs CSI

> German confusable word pair

## The two words

### cos
*abbrev · frequency rank #29,065*
Kosinus

### CSI
*abbrev · IPA […] · frequency rank #39,877*
Crime Scene Investigation

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