# captain vs certain

> Portuguese confusable word pair

## The two words

### captain
*noun · IPA /ˈkæp.tɪn/ · frequency rank #26,661*
capitão

### certain
*adjective · IPA /sɛʁ.tɛ̃/ · frequency rank #35,061*
certo, seguro, indubitável

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