# MUD vs Mx

> English confusable word pair

## The two words

### MUD
*noun · IPA /mʌd/ · frequency rank #5,815*
Acronym of multi-user dungeon, an interactive online environment in which players may jointly engage in fantasy role-playing games.

### Mx
*noun · IPA /mɪks/ · frequency rank #18,635*
A gender-neutral title used instead of Mr (Mister), Mrs (Mistress), etc.

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