# LEM vs LM

> English confusable word pair

## The two words

### LEM
*noun · frequency rank #35,810*
Originally Lunar Excursion Module, latterly Lunar Module.

### LM
*noun · frequency rank #20,416*
Initialism of language model.

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