# jack vs jail

> English confusable word pair

## The two words

### jack
*noun · IPA /d͡ʒæk/ · frequency rank #1,604*
A coarse medieval coat of defence, especially one made of leather.

### jail
*noun · IPA /d͡ʒeɪl/ · frequency rank #2,392*
A place or institution for the confinement of persons held against their will in lawful custody or detention, especially (in US usage) a place where people are held for minor offenses or with reference to some future judicial proceeding.

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