# chock vs choo

> English confusable word pair

## The two words

### chock
*noun · IPA /tʃɒk/ · frequency rank #34,430*
Any object used as a wedge or filler, especially when placed behind a wheel to prevent it from rolling.

### choo
*noun · IPA /tʃuː/ · frequency rank #20,061*
The sound of a locomotive whistle.

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