# USP vs usurp

> English confusable word pair

## The two words

### USP
*name · frequency rank #33,071*
The United States Pharmacopeial Convention, Inc., a standard-setting authority that publishes USP-NF standards about pharmaceuticals and dietary supplements.

### usurp
*verb · IPA /juˈsɝp/ · frequency rank #41,933*
To seize power from another, usually by illegitimate means.

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