# so's vs soap

> English confusable word pair

## The two words

### so's
*contraction · frequency rank #38,171*
So that, in order that.

### soap
*noun · IPA /soʊp/ · frequency rank #5,367*
A metallic salt derived from a fatty acid, commonly used in cleaning products.

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