# sein vs sie

> Portuguese confusable word pair

## The two words

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

### sie
*pronoun · IPA /zi:/ ouvir^(fonte ?) ouvir^(fonte ?) · frequency rank #40,788*
ela, pronome pessoal feminino do caso nominativo da terceira pessoa do singular:

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