# cm vs cum

> German confusable word pair

## The two words

### cm
*abbrev · frequency rank #1,052*
Einheitensymbol für Zentimeter; 1 cm = 10⁻² m = 0,01 m = 10 mm

### cum
*preposition · frequency rank #7,027*
mit

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/de/vs/cm-vs-cum