# flat vs flex

> English confusable word pair

## The two words

### flat
*adjective · IPA /flæt/ · frequency rank #1,941*
Having no variations in height.

### flex
*noun · IPA /flɛks/ · frequency rank #10,696*
Flexibility, pliancy.

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