# eta vs ex

> English confusable word pair

## The two words

### eta
*noun · IPA /ˈiːtə/ · frequency rank #17,836*
The seventh letter of the Modern Greek alphabet, the eighth in Old Greek.

### ex
*noun · IPA /ɛks/ · frequency rank #1,633*
The name of the Latin script letter X/x.

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