# PST vs PU

> English confusable word pair

## The two words

### PST
*name · frequency rank #19,948*
Initialism of Pacific Standard Time.

### PU
*intj · frequency rank #16,315*
Alternative form of P U; expression used when encountering a displeasing smell; exaggerated pronunciation of pew.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/pst-vs-pu