# alumina vs aluminum

> English confusable word pair

## The two words

### alumina
*noun · IPA /əˈl(j)uːmɪnə/ · frequency rank #40,548*
Aluminum oxide, especially when used in mining, material sciences or ceramics, a refractory solid compound.

### aluminum
*noun · IPA /əˈlu.mɪ.nəm/ · frequency rank #6,984*
American, Canadian, and Philippines standard spelling of aluminium.

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