# EAC vs eta

> English confusable word pair

## The two words

### EAC
*name · IPA /i.eɪ.si/ · frequency rank #43,617*
Abbreviation of European Astronaut Centre.

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

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