# riso vs rust

> Portuguese confusable word pair

## The two words

### riso
*noun · IPA /ˈRi.zu/ · frequency rank #10,434*
ato ou efeito de rir; demonstração clara e geralmente espontânea de alegria

### rust
*noun · IPA /ɹʌst/ · frequency rank #46,045*
ferrugem

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