# expansion vs extension

> Spanish confusable word pair

## The two words

### expansion
*noun · IPA /ɪkˈspænʃən/ · frequency rank #46,546*
Expansión.

### extension
*noun · IPA [ɛk.stɑ̃.sjɔ̃] · frequency rank #32,661*
Extensión.

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