# XC vs XML

> English confusable word pair

## The two words

### XC
*adjective · frequency rank #34,752*
Abbreviation of cross-country.

### XML
*name · frequency rank #20,020*
Initialism of Extensible Markup Language, a flexible text format for creating structured computer documents in machine-readable form.

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