# do vs duo

> English confusable word pair

## The two words

### do
*verb · IPA /də/ · frequency rank #50*
A syntactic marker.

### duo
*noun · IPA /ˈdjuː.əʊ/ · frequency rank #6,234*
Two people who work or collaborate together as partners; especially

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