# STM vs sup

> French confusable word pair

## The two words

### STM
*noun · frequency rank #23,698*
Microscopie à effet tunnel.

### sup
*intj · IPA \syp\ · frequency rank #10,952*
Super

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