# fo vs FTP

> English confusable word pair

## The two words

### fo
*noun · frequency rank #12,049*
Abbreviation of folio, page and book size (10"-12.5" x 15"-20").

### FTP
*adjective · IPA /ˌɛf tiː ˈpiː/ · frequency rank #28,555*
free-to-play

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