# fast vs fiat

> English confusable word pair

## The two words

### fast
*adjective · IPA /fɑːst/ · frequency rank #767*
Firmly or securely fixed in place; stable.

### fiat
*noun · IPA /ˈfaɪæt/ · frequency rank #12,420*
An arbitrary or authoritative command or order to do something; an effectual decree.

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