# SIDA vs sin

> Portuguese confusable word pair

## The two words

### SIDA
*abbrev · IPA /si.da/ · frequency rank #17,916*
syndrome d´immunodéficience acquise (SIDA, AIDS, síndrome da imunodeficiência adquirida)

### sin
*pronoun · frequency rank #8,687*
aquilo, aquele

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