# roo

> English word · Noun · IPA /ˈɹuː/ · frequency rank #25,557

## Definitions
1. Peace; quietness.
2. Rest; stillness.

## Etymology
From Middle English roo, ro, from Old English rō, rōw (“quietness, quiet, rest”), from Proto-Germanic *rōō (“quiet, rest”), from Proto-Indo-European *h₁reh₁- (“to rest; quiet”). Cognate with Scots ro, ruve (“peace, repose”), German Ruhe (“rest, peace, tranquility”), Danish, Norwegian and Swedish ro (“rest, peace, tranquility”), Icelandic ró (“tranquility, quietness”).

## Easily confused with
- **RS** (https://plainspell.com/en/vs/roo-vs-rs)
- **RT** (https://plainspell.com/en/vs/roo-vs-rt)
- **RP** (https://plainspell.com/en/vs/roo-vs-rp)
- **RV** (https://plainspell.com/en/vs/roo-vs-rv)
- **RR** (https://plainspell.com/en/vs/roo-vs-rr)
- **RW** (https://plainspell.com/en/vs/roo-vs-rw)
- **run** (https://plainspell.com/en/vs/roo-vs-run)
- **row** (https://plainspell.com/en/vs/roo-vs-row)
- **Roy** (https://plainspell.com/en/vs/roo-vs-roy)
- **rub** (https://plainspell.com/en/vs/roo-vs-rub)
- **rug** (https://plainspell.com/en/vs/roo-vs-rug)
- **rot** (https://plainspell.com/en/vs/roo-vs-rot)
- **rum** (https://plainspell.com/en/vs/roo-vs-rum)
- **rue** (https://plainspell.com/en/vs/roo-vs-rue)
- **RPG** (https://plainspell.com/en/vs/roo-vs-rpg)
- **rye** (https://plainspell.com/en/vs/roo-vs-rye)
- **rpm** (https://plainspell.com/en/vs/roo-vs-rpm)
- **RSS** (https://plainspell.com/en/vs/roo-vs-rss)
- **ROS** (https://plainspell.com/en/vs/roo-vs-ros)
- **RSA** (https://plainspell.com/en/vs/roo-vs-rsa)

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