# fac vs flap

> English confusable word pair

## The two words

### fac
*noun · IPA /fæk/ · frequency rank #35,714*
A factotum letter, or a similar kind of ornamentally bordered letter formerly used at the start of a chapter or section of a book.

### flap
*noun · IPA /flæp/ · frequency rank #15,170*
Anything broad and flexible that hangs loose, or that is attached by one side or end and is easily moved.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/fac-vs-flap