# sia vs sta

> Spanish confusable word pair

## The two words

### sia
*noun · IPA [ˈsia] · frequency rank #31,120*
Espuma.

### sta
*adjective · IPA /ˈsta/ · frequency rank #14,015*
Forma del femenino de sto: «esta».

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