# ascertain vs ascertained

> English confusable word pair

## The two words

### ascertain
*verb · IPA /ˌæsəˈteɪn/ · frequency rank #19,760*
To find out definitely; to discover or establish.

### ascertained
*verb · IPA /ˌæsəˈteɪnd/ · frequency rank #37,324*
simple past and past participle of ascertain

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