# PFC vs PU

> English confusable word pair

## The two words

### PFC
*noun · frequency rank #37,157*
Initialism of private first class.

### 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/pfc-vs-pu