# assure vs astute

> English confusable word pair

## The two words

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

### astute
*adjective · IPA /əsˈtjuːt/ · frequency rank #25,284*
Quickly and critically discerning.

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