# o

> Portuguese word · Article · IPA /u/ · frequency rank #3

## Definitions
1. partícula gramatical usada antes de substantivos ou palavras substantivadas; por geral indica uma coisa em particular

## Easily confused with
- **os** (https://plainspell.com/pt/vs/o-vs-os)
- **ou** (https://plainspell.com/pt/vs/o-vs-ou)
- **oi** (https://plainspell.com/pt/vs/o-vs-oi)
- **on** (https://plainspell.com/pt/vs/o-vs-on)
- **ok** (https://plainspell.com/pt/vs/o-vs-ok)
- **oh** (https://plainspell.com/pt/vs/o-vs-oh)
- **or** (https://plainspell.com/pt/vs/o-vs-or)
- **ob** (https://plainspell.com/pt/vs/o-vs-ob)
- **og** (https://plainspell.com/pt/vs/o-vs-og)
- **olá** (https://plainspell.com/pt/vs/o-vs-ola)
- **one** (https://plainspell.com/pt/vs/o-vs-one)
- **ora** (https://plainspell.com/pt/vs/o-vs-ora)
- **off** (https://plainspell.com/pt/vs/o-vs-off)
- **ONU** (https://plainspell.com/pt/vs/o-vs-onu)
- **ovo** (https://plainspell.com/pt/vs/o-vs-ovo)
- **our** (https://plainspell.com/pt/vs/o-vs-our)
- **opa** (https://plainspell.com/pt/vs/o-vs-opa)
- **oro** (https://plainspell.com/pt/vs/o-vs-oro)
- **oba** (https://plainspell.com/pt/vs/o-vs-oba)
- **OVA** (https://plainspell.com/pt/vs/o-vs-ova)

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