# redo vs REM

> English confusable word pair

## The two words

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

### REM
*noun · frequency rank #20,207*
Initialism of rapid eye movement.

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