# b vs BTU

> English confusable word pair

## The two words

### b
*character · IPA /b/ · frequency rank #440*
The second letter of the English alphabet, called bee and written in the Latin script.

### 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: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/b-vs-btu