# Eos vs erg

> English confusable word pair

## The two words

### Eos
*name · IPA /ˈiːɒs/ · frequency rank #21,511*
The Greek goddess of the dawn; daughter of Hyperion and Theia, sister of Helios and Selene, wife of Astraeus (god of the dusk), and mother of the four Anemoi ("Winds"), and the five Astra Planeta ("Wandering Stars/Planets"). Her Roman counterpart is Aurora.

### erg
*noun · IPA /ɜːɡ/ · frequency rank #48,222*
A unit of work or energy, being the amount of work done by a force of one dyne applied through a distance of one centimeter. Equal to 10⁻⁷ joules.

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