# sein vs sep

> Spanish confusable word pair

## The two words

### sein
*verb · IPA [ˈzaɪ̯n] · frequency rank #45,601*
Ser, estar.

### sep
*num · IPA /sep/ · frequency rank #8,588*
Siete.

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