# PAC vs PCL

> English confusable word pair

## The two words

### PAC
*noun · IPA /pæk/ · frequency rank #7,954*
Initialism of programmable automation controller.

### PCL
*noun · frequency rank #47,250*
Initialism of polycaprolactone.

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