# specialisation vs specialization

> English confusable word pair

## The two words

### specialisation
*noun · frequency rank #48,501*
Non-Oxford British English standard spelling of specialization.

### specialization
*noun · IPA [ˌspɛʃəlaɪ̯ˈzeɪ̯ʃn̩] · frequency rank #19,976*
The act or process of specializing.

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