# pack vs PCR

> English confusable word pair

## The two words

### pack
*noun · IPA /pæk/ · frequency rank #2,224*
A bundle made up and prepared to be carried; especially, a bundle to be carried on the back, but also a load for an animal, a bale.

### PCR
*noun · IPA /pi si ɑɹ/ · frequency rank #23,937*
Initialism of polymerase chain reaction.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-02.
Canonical page: https://plainspell.com/en/vs/pack-vs-pcr