# chi

> English word · Noun · IPA /kaɪ/ · frequency rank #7,660

## Definitions
1. The twenty-second letter of the Classical and Modern Greek alphabets.

## Etymology
From Latin chī, from Ancient Greek χεῖ (kheî).

## Easily confused with
- **co** (https://plainspell.com/en/vs/chi-vs-co)
- **CM** (https://plainspell.com/en/vs/chi-vs-cm)
- **CT** (https://plainspell.com/en/vs/chi-vs-ct)
- **CR** (https://plainspell.com/en/vs/chi-vs-cr)
- **cs** (https://plainspell.com/en/vs/chi-vs-cs)
- **Cl** (https://plainspell.com/en/vs/chi-vs-cl)
- **cp** (https://plainspell.com/en/vs/chi-vs-cp)
- **CV** (https://plainspell.com/en/vs/chi-vs-cv)
- **CU** (https://plainspell.com/en/vs/chi-vs-cu)
- **CW** (https://plainspell.com/en/vs/chi-vs-cw)
- **ci** (https://plainspell.com/en/vs/chi-vs-ci)
- **CJ** (https://plainspell.com/en/vs/chi-vs-cj)
- **CX** (https://plainspell.com/en/vs/chi-vs-cx)
- **cz** (https://plainspell.com/en/vs/chi-vs-cz)
- **CQ** (https://plainspell.com/en/vs/chi-vs-cq)
- **cut** (https://plainspell.com/en/vs/chi-vs-cut)
- **cup** (https://plainspell.com/en/vs/chi-vs-cup)
- **cry** (https://plainspell.com/en/vs/chi-vs-cry)
- **cop** (https://plainspell.com/en/vs/chi-vs-cop)
- **CNN** (https://plainspell.com/en/vs/chi-vs-cnn)

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