# sulfate, sulphate

> English homophone group · 2 words that sound the same · /ˈsʌlfeɪt/

These English words share one pronunciation but differ in spelling and meaning.

## The words

### sulfate
*/ˈsʌlfeɪt/*
Any salt or ester of sulfuric acid.

### sulphate
*/ˈsʌl.feɪt/*
Alternative spelling of sulfate.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA); groups derived from IPA pronunciation. Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/homophones/sulfate