# egg vs erg

> English confusable word pair

## The two words

### egg
*noun · IPA /ˈɛɡ/ · frequency rank #3,227*
An approximately spherical or ellipsoidal body produced by birds, insects, reptiles, and other animals, housing the embryo within a membrane or shell during its development.

### 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: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/egg-vs-erg
