# opal vs oval

> English confusable word pair

## The two words

### opal
*noun · IPA /ˈəʊpəl/ · frequency rank #22,458*
A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO₂·nH₂O.

### oval
*noun · IPA /ˈəʊvəl/ · frequency rank #7,372*
An elongated round shape resembling an egg or ellipse.

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