# USB vs USP

> English confusable word pair

## The two words

### USB
*name · IPA /ˌjuː ˌɛs ˈbiː/ · frequency rank #7,407*
Initialism of Universal Serial Bus; a serial bus standard for connecting devices.

### 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.

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