# flash vs flat

> English confusable word pair

## The two words

### flash
*verb · IPA /flæʃ/ · frequency rank #3,299*
To cause to shine briefly or intermittently.

### flat
*adjective · IPA /flæt/ · frequency rank #1,941*
Having no variations in height.

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