# assert vs assure

> English confusable word pair

## The two words

### assert
*verb · IPA /əˈsɜːt/ · frequency rank #12,544*
To declare with assurance or plainly and strongly; to state positively.

### assure
*verb · IPA /əˈʃɔː(ɹ)/ · frequency rank #6,438*
To make sure and secure; ensure.

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