# undertake vs undertaken

> English confusable word pair

## The two words

### undertake
*verb · IPA /ˌʌndəˈteɪk/ · frequency rank #10,787*
To take upon oneself; to start, to embark on (a specific task etc.).

### undertaken
*verb · IPA /ʌndə(ɹ)ˈteɪkən/ · frequency rank #9,001*
past participle of undertake

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