# fax vs FF

> English confusable word pair

## The two words

### fax
*noun · IPA /fæks/ · frequency rank #12,419*
The hair of the head.

### FF
*noun · frequency rank #9,893*
Abbreviation of frigate, a type of warship.

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