# so's vs STS

> English confusable word pair

## The two words

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

### STS
*noun · frequency rank #20,790*
Initialism of science and technology studies.

## 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-sts