# sinus vs Sioux

> English confusable word pair

## The two words

### sinus
*noun · IPA /ˈsaɪ.nəs/ · frequency rank #20,225*
A pouch or cavity in a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities (the paranasal sinus).

### Sioux
*name · IPA /sjuː/ · frequency rank #16,347*
Various formerly nomadic Native American tribes of the North American Great Plains.

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