# bel vs bo

> English confusable word pair

## The two words

### bel
*noun · IPA /bɛl/ · frequency rank #16,644*
A measure of relative power, defined as log₁₀(P ₁/P ₂), where P₁ and P₂ are the measured and reference power respectively.

### bo
*intj · IPA /bəʊ/ · frequency rank #7,100*
An exclamation used to startle or frighten.

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