# occasion vs occlusion

> English confusable word pair

## The two words

### occasion
*noun · IPA /əˈkeɪʒən/ · frequency rank #3,771*
A favorable opportunity; a convenient or timely chance.

### occlusion
*noun · IPA /əˈkluː.ʒən/ · frequency rank #39,464*
The process of occluding, or something that occludes.

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