# ToC vs tonic

> English confusable word pair

## The two words

### ToC
*noun · frequency rank #40,055*
Alternative letter-case form of TOC (“table of contents”).

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

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