# bac vs bu

> Spanish confusable word pair

## The two words

### bac
*noun · IPA /bak/ · frequency rank #45,148*
Transbordador.

### bu
*intj · IPA [ˈbu] · frequency rank #16,776*
Se usa para asustar a alguien.

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