# rapid vs rigid

> English confusable word pair

## The two words

### rapid
*adjective · IPA /ˈɹæpɪd/ · frequency rank #3,780*
Very swift or quick.

### rigid
*adjective · IPA /ˈɹɪd͡ʒ.ɪd/ · frequency rank #10,435*
Stiff, rather than flexible.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-02.
Canonical page: https://plainspell.com/en/vs/rapid-vs-rigid