# oka vs opal

> English confusable word pair

## The two words

### oka
*noun · IPA /ˈɒkə/ · frequency rank #46,669*
A former Turkish, Egyptian, Hungarian, and Romanian unit of weight, usually of a little more than a kilogram.

### 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.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/oka-vs-opal