# SIDS vs sinus

> English confusable word pair

## The two words

### SIDS
*noun · frequency rank #49,048*
Acronym of sudden infant death syndrome.

### 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).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/sids-vs-sinus