# fiat vs firth

> English confusable word pair

## The two words

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

### firth
*noun · IPA /fɜːθ/ · frequency rank #22,972*
An arm or inlet of the sea; a river estuary.

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