# b vs BFI

> 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.

### BFI
*phrase · IPA /bi.ɛfˈaɪ/ · frequency rank #49,789*
Initialism of brace for impact (“a common warning from United States military units to infer a warning to brace themselves”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/b-vs-bfi
