# endeavor vs endeavour

> English confusable word pair

## The two words

### endeavor
*noun · IPA /ɪnˈdɛv.ə/ · frequency rank #13,710*
A sincere attempt; a determined or assiduous effort towards a specific goal; assiduous or persistent activity.

### endeavour
*noun · IPA /ɪnˈdɛv.ə/ · frequency rank #16,014*
British standard spelling of endeavor.

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