# su vs Sus

> English confusable word pair

## The two words

### su
*noun · frequency rank #8,094*
Alternative form of xu (“former Vietnamese currency”).

### Sus
*name · frequency rank #27,667*
Synonym of Shush (“city in Khuzestan, Iran”).

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