# ci vs CSA

> Portuguese confusable word pair

## The two words

### ci
*pronoun · IPA /tsi/ · frequency rank #19,655*
tu, pronome pessoal sujeito da segunda pessoa do singular:

### CSA
*abbrev · frequency rank #21,705*
sigla de Canadian Space Agency, a Agência Espacial Canadense

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