# CPD vs CPU

> English confusable word pair

## The two words

### CPD
*name · frequency rank #36,938*
Initialism of Chicago Police Department.

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

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