# certain

> Portuguese word · Adjective · IPA /sɛʁ.tɛ̃/ · frequency rank #35,061

## Definitions
1. certo, seguro, indubitável

## Easily confused with
- **certame** (https://plainspell.com/pt/vs/certain-vs-certame)
- **captain** (https://plainspell.com/pt/vs/captain-vs-certain)

## Common misspellings (10)
`ccertain`, `ceratin`, `cerrtain`, `certainn`, `certani`, `certian`, `certtain`, `cetrain`, `cretain`, `ecrtain`

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