# pro vs proto

> Portuguese confusable word pair

## The two words

### pro
*preposition · IPA /ˈprɔ/ ouvir^(fonte ?) · frequency rank #1,173*
para

### proto
*adverb · IPA /ˈproto/ ouvir^(fonte ?) · frequency rank #35,741*
por isso

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