# redo vs redox

> English confusable word pair

## The two words

### redo
*verb · IPA /ɹiˈduː/ · frequency rank #22,787*
To do again.

### redox
*adjective · IPA /ˈɹiːdɒks/ · frequency rank #39,522*
Of or relating to any reaction in which oxidation and reduction occur simultaneously.

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