# sac vs so

> English confusable word pair

## The two words

### sac
*noun · IPA /sæk/ · frequency rank #11,789*
A bag or pouch inside a plant or animal that typically contains a fluid.

### so
*conjunction · IPA /səʊ/ · frequency rank #33*
Reduced form of 'so that', used to express purpose; in order that.

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