# watt, what

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

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

## The words

### watt
*/wɒt/*
In the International System of Units, the derived unit of power; the power of a system in which one joule of energy is transferred per second. Symbol: W

### what
*/wɒt/*
Which, especially which of an open-ended set of possibilities.

## 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/watt