# ruby vs ruff

> English confusable word pair

## The two words

### ruby
*noun · IPA /ˈɹuː.bi/ · frequency rank #7,386*
A clear, deep, red variety of corundum, valued as a precious stone.

### ruff
*noun · IPA /ɹʌf/ · frequency rank #27,272*
A circular frill or ruffle on a garment, especially a starched, fluted frill at the neck in Elizabethan and Jacobean England (1560s–1620s).

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