# anion vs argon

> English confusable word pair

## The two words

### anion
*noun · IPA /ˈænˌaɪ.ən/ · frequency rank #41,506*
A negatively charged ion.

### argon
*noun · IPA /ˈɑːɹɡɒn/ · frequency rank #34,381*
The chemical element (symbol Ar) with an atomic number of 18. The third most abundant gas in the Earth's atmosphere, it is a colourless, odourless, inert noble gas.

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