# Koo

> English word · Proper noun · frequency rank #30,114

## Definitions
1. A surname from Cantonese.

## Etymology
Romanization of Cantonese 顧／顾 (gu3).

## Easily confused with
- **ky** (https://plainspell.com/en/vs/koo-vs-ky)
- **Ku** (https://plainspell.com/en/vs/koo-vs-ku)
- **KS** (https://plainspell.com/en/vs/koo-vs-ks)
- **KT** (https://plainspell.com/en/vs/koo-vs-kt)
- **KP** (https://plainspell.com/en/vs/koo-vs-kp)
- **kun** (https://plainspell.com/en/vs/koo-vs-kun)
- **Kos** (https://plainspell.com/en/vs/koo-vs-kos)
- **kyu** (https://plainspell.com/en/vs/koo-vs-kyu)
- **kor** (https://plainspell.com/en/vs/koo-vs-kor)
- **Kuo** (https://plainspell.com/en/vs/koo-vs-kuo)
- **kya** (https://plainspell.com/en/vs/koo-vs-kya)
- **Kyi** (https://plainspell.com/en/vs/koo-vs-kyi)
- **kph** (https://plainspell.com/en/vs/koo-vs-kph)
- **Kop** (https://plainspell.com/en/vs/koo-vs-kop)
- **kool** (https://plainspell.com/en/vs/koo-vs-kool)
- **Kwon** (https://plainspell.com/en/vs/koo-vs-kwon)
- **KORS** (https://plainspell.com/en/vs/koo-vs-kors)
- **Kota** (https://plainspell.com/en/vs/koo-vs-kota)
- **kook** (https://plainspell.com/en/vs/koo-vs-kook)
- **Kwok** (https://plainspell.com/en/vs/koo-vs-kwok)

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