# CPU vs crud

> English confusable word pair

## The two words

### CPU
*noun · IPA /(ˌ)siː(ˌ)piːˈjuː/ · frequency rank #10,835*
Initialism of central processing unit.

### crud
*noun · IPA /kɹʌd/ · frequency rank #45,306*
Dirt, filth or refuse.

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