# STD vs STS

> English confusable word pair

## The two words

### STD
*noun · frequency rank #16,797*
Initialism of sexually transmitted disease.

### 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/std-vs-sts