# plug vs PSU

> English confusable word pair

## The two words

### plug
*noun · IPA /plʌɡ/ · frequency rank #5,726*
A pronged connecting device which fits into a mating socket, especially an electrical one.

### PSU
*name · frequency rank #29,799*
Initialism of Pennsylvania State University.

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