# PCB vs pec

> English confusable word pair

## The two words

### PCB
*noun · frequency rank #23,936*
Initialism of printed circuit board.

### pec
*noun · frequency rank #47,251*
The pectoralis major muscle.

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