# poison vs prison

> English confusable word pair

## The two words

### poison
*noun · IPA /ˈpɔɪ.zən/ · frequency rank #6,282*
A substance that is harmful or lethal to a living organism when ingested.

### prison
*noun · IPA /ˈpɹɪzn̩/ · frequency rank #1,670*
A place or institution where people are held against their will, in the US especially for long-term confinement, as of those convicted of serious crimes or otherwise considered undesirable by the government.

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