# back vs bai

> Spanish confusable word pair

## The two words

### back
*noun · IPA /bæk/ · frequency rank #8,223*
Espalda.

### bai
*adverb · IPA [baɪ] · frequency rank #27,101*
Sí. (afirmación)

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