# Bui

> English word · Proper noun · frequency rank #48,638

## Definitions
1. A surname.

## Etymology
Borrowed from Vietnamese Bùi. Doublet of Pei.

## Easily confused with
- **by** (https://plainspell.com/en/vs/bui-vs-by)
- **BW** (https://plainspell.com/en/vs/bui-vs-bw)
- **BX** (https://plainspell.com/en/vs/bui-vs-bx)
- **but** (https://plainspell.com/en/vs/bui-vs-but)
- **buy** (https://plainspell.com/en/vs/bui-vs-buy)
- **bus** (https://plainspell.com/en/vs/bui-vs-bus)
- **bye** (https://plainspell.com/en/vs/bui-vs-bye)
- **bum** (https://plainspell.com/en/vs/bui-vs-bum)
- **bun** (https://plainspell.com/en/vs/bui-vs-bun)
- **BYU** (https://plainspell.com/en/vs/bui-vs-byu)
- **bur** (https://plainspell.com/en/vs/bui-vs-bur)
- **busy** (https://plainspell.com/en/vs/bui-vs-busy)
- **burn** (https://plainspell.com/en/vs/bui-vs-burn)
- **bush** (https://plainspell.com/en/vs/bui-vs-bush)
- **bull** (https://plainspell.com/en/vs/bui-vs-bull)
- **butt** (https://plainspell.com/en/vs/bui-vs-butt)
- **bulk** (https://plainspell.com/en/vs/bui-vs-bulk)
- **buzz** (https://plainspell.com/en/vs/bui-vs-buzz)
- **bust** (https://plainspell.com/en/vs/bui-vs-bust)
- **bump** (https://plainspell.com/en/vs/bui-vs-bump)

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