# tonic vs toxic

> English confusable word pair

## The two words

### tonic
*adjective · IPA /ˈtɒnɪk/ · frequency rank #17,507*
Pertaining to tension, especially of the muscles.

### toxic
*adjective · IPA /ˈtɒk.sɪk/ · frequency rank #4,807*
Having a chemical nature that is harmful to health or lethal if consumed or otherwise entering into the body in sufficient quantities.

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