# fast vs flat

> Spanish confusable word pair

## The two words

### fast
*adjective · IPA /fɑːst/ · frequency rank #16,583*
Rápido, veloz.

### flat
*noun · IPA /flæt/ · frequency rank #41,922*
Piso.

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