# Erc vs eta

> English confusable word pair

## The two words

### Erc
*name · frequency rank #43,630*
A member of the conspiracy that killed Cúchulainn, but was killed by his second cousin Conall the Victorious. Son of Cairbre Nia Fer and brother of Achall.

### 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/erc-vs-eta