# flex vs flop

> English confusable word pair

## The two words

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

### flop
*verb · IPA /flɒp/ · frequency rank #13,720*
To fall heavily due to lack of energy.

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