# knock vs know

> English confusable word pair

## The two words

### knock
*noun · IPA /nɒk/ · frequency rank #3,956*
An abrupt rapping sound, as from an impact of a hard object against wood.

### know
*verb · IPA /nəʊ/ · frequency rank #84*
To perceive the truth or factuality of; to be certain of; to be certain that.

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