# BIA vs BTU

> English confusable word pair

## The two words

### BIA
*name · frequency rank #37,343*
Initialism of Bureau of Indian Affairs (a U.S. government federal agency for dealing with Native Amerindians).

### BTU
*noun · IPA /biː.tiː.juː/ · frequency rank #45,246*
Initialism of British thermal unit.

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