# fas vs flash

> English confusable word pair

## The two words

### fas
*noun · frequency rank #27,454*
A border or fringe.

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

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