# cafeína

> Portuguese word · Noun · IPA [kafeˈina], plural: [kafeˈinas] · frequency rank #19,354

## Definitions
1. alcaloide do grupo das xantinas usado como estimulante, C₈H₁₀N₄O₂

## Easily confused with
- **caverna** (https://plainspell.com/pt/vs/cafeina-vs-caverna)
- **campina** (https://plainspell.com/pt/vs/cafeina-vs-campina)
- **cantina** (https://plainspell.com/pt/vs/cafeina-vs-cantina)
- **cadeia** (https://plainspell.com/pt/vs/cadeia-vs-cafeina)
- **cabina** (https://plainspell.com/pt/vs/cabina-vs-cafeina)
- **cadeira** (https://plainspell.com/pt/vs/cadeira-vs-cafeina)

## Common misspellings (9)
`acfeína`, `caefína`, `cafenía`, `cafeían`, `cafeínna`, `caffeína`, `cafíena`, `ccafeína`, `cfaeína`

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