Although I took a couple of years of Spanish in school, I can't carry on a conversation in Spanish. I can read a very small amount, and I can pick up some words here and there in conversation. With that in mind, I was reading while the wife was watching a movie. Some of the actors were speaking what was supposed to be Portuguese, but I recognized some of the words in the conversations from my time in Spanish class. I assume they both originate from a Latin base, but how similar are the two languages? Are they similar enough that a Portuguese speaker and a Spanish speaker could converse at least at a basic level?