# EAC vs erm

> English confusable word pair

## The two words

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

### erm
*intj · IPA /ɜːm/ · frequency rank #21,789*
Used in hesitant speech, or to express uncertainty.

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