# RSA vs Rua

> English confusable word pair

## The two words

### RSA
*noun · frequency rank #24,578*
Initialism of Responsible Service of Alcohol (a qualification and permit for bar staff).

### Rua
*name · frequency rank #49,605*
A surname.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/rsa-vs-rua