# XC vs xi

> English confusable word pair

## The two words

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

### xi
*noun · IPA /zaɪ/ · frequency rank #5,928*
The 14th letter of Classical and Modern Greek. The 15th in Ancient and Old Greek.

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