Language Patterns: Spanish and Portuguese
Noticing patterns from Spanish -> Portuguese helped me improve really quickly, because I would be able to guess a word in Portuguese based on the patterns I knew and the word I knew in Spanish.
All words that are similar (no matter what language) may be an exception though, so it’s not always 100% reliable.
This also helps with trying to figure out pronunciation. The first one that comes to mind is the ñ/nh example. They sound similar except one is with a different accent.
*Note: In the –les/–is chart, there’s the word, “legais” under Portuguese. It means “legal” but is used frequently as “cool” in Brazil.
Example: Você é muito legal (singular), Vocês são muito legais (plural)
"I speak Portuguese fluently"
This is literally all you have to learn in Portuguese as Spanish speakers.
If you want to learn Portuguese and you’re a Spanish speaker, take an intensive 6 week course in college and listen to some songs, and bam you’ll be fluent. And if you’re not by then, then bye