# choo vs cob

> English confusable word pair

## The two words

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

### cob
*noun · IPA /kɑb/ · frequency rank #27,404*
A corncob.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/choo-vs-cob