# fire vs firth

> English confusable word pair

## The two words

### fire
*noun · IPA /ˈfaɪ.ə/ · frequency rank #501*
A (usually self-sustaining) chemical reaction involving the bonding of oxygen with carbon or other fuel, with the production of heat and the presence of flame or smouldering.

### 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: 2026-09-02.
Canonical page: https://plainspell.com/en/vs/fire-vs-firth