# lab vs lb

> English confusable word pair

## The two words

### lab
*noun · IPA /læb/ · frequency rank #3,506*
A laboratory.

### lb
*noun · IPA /paʊnd/ · frequency rank #7,936*
Abbreviation of pound (“unit of weight”).

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