# sais vs sein

> Portuguese confusable word pair

## The two words

### sais
*noun · frequency rank #11,150*
substâncias voláteis dadas a uma pessoa desmaiada para fazer com que ela acorde

### sein
*verb · IPA /zaɪ̯n/ · frequency rank #43,647*
ser, estar.

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