# duo

> English word · Noun · IPA /ˈdjuː.əʊ/ · frequency rank #6,234

## Definitions
1. Two people who work or collaborate together as partners; especially
2. Two people who work or collaborate together as partners; especially:
3. Any pair of people.
4. Any cocktail consisting of a spirit and a liqueur.
5. A meal with two paired components.
6. A song in two parts; a duet.

## Etymology
PIE word
 *dwóh₁
From French duo or Italian duo, from Latin duo (“two”), from Proto-Italic *duō, from Proto-Indo-European *dwóh₁. Doublet of two, which was inherited via Proto-Germanic.

## Easily confused with
- **dw** (https://plainspell.com/en/vs/duo-vs-dw)
- **Dx** (https://plainspell.com/en/vs/duo-vs-dx)
- **DV** (https://plainspell.com/en/vs/duo-vs-dv)
- **dy** (https://plainspell.com/en/vs/duo-vs-dy)
- **DVD** (https://plainspell.com/en/vs/duo-vs-dvd)
- **dye** (https://plainspell.com/en/vs/duo-vs-dye)
- **dup** (https://plainspell.com/en/vs/duo-vs-dup)
- **dur** (https://plainspell.com/en/vs/duo-vs-dur)
- **DWP** (https://plainspell.com/en/vs/duo-vs-dwp)
- **duty** (https://plainspell.com/en/vs/duo-vs-duty)
- **dust** (https://plainspell.com/en/vs/duo-vs-dust)
- **dusk** (https://plainspell.com/en/vs/duo-vs-dusk)
- **dupe** (https://plainspell.com/en/vs/duo-vs-dupe)
- **dura** (https://plainspell.com/en/vs/duo-vs-dura)
- **d** (https://plainspell.com/en/vs/d-vs-duo)
- **do** (https://plainspell.com/en/vs/do-vs-duo)
- **Dr** (https://plainspell.com/en/vs/dr-vs-duo)
- **de** (https://plainspell.com/en/vs/de-vs-duo)
- **DC** (https://plainspell.com/en/vs/dc-vs-duo)
- **da** (https://plainspell.com/en/vs/da-vs-duo)

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