# sei vs sir

> Spanish confusable word pair

## The two words

### sei
*num · IPA /s̺ej/ · frequency rank #48,072*
Seis.

### sir
*noun · IPA /sɜː(ɹ)/ · frequency rank #6,830*
Señor, caballero.

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