# fac vs fi

> 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.

### fi
*noun · IPA /fiː/ · frequency rank #4,603*
The solfeggio syllable used to indicate the sharp of the fourth note of a major scale.

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