# authorise vs authorize

> English confusable word pair

## The two words

### authorise
*verb · frequency rank #37,329*
Non-Oxford British English standard spelling of authorize.

### authorize
*verb · IPA /ˈɔθəɹaɪz/ · frequency rank #17,545*
To grant (someone) the permission or power necessary to do (something); to permit; to sanction or consent to.

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