# optimise vs optimist

> English confusable word pair

## The two words

### optimise
*verb · frequency rank #47,235*
Non-Oxford British English standard spelling of optimize.

### optimist
*noun · IPA /ˈɑptɪmɪst/ · frequency rank #28,313*
A person who expects a favourable outcome.

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