Well, also, the word Pirate basically refers to anyone who, you know, commits acts of piracy and not just a specific shallow caricature based around movies set during the Age of Exploration, so we could have Vikings or even ancient pirates of the Mediterranean - both ancient Greece and Rome, for example, had pirates - Julius Caesar was kidnapped as a young man by pirates, and not only was he so incensed at how little they were ransoming him for that he made them ask for a lot more money, but after he got free he hunted down the pirates and killed them.
Yaar, as inexorable as the tides, as surprising as a fully armed galleon blasting a broadside into yer flanks, it’s again September 19, also known by you landlubbin’ bootlicks as Talk like a Pirate Day. Now, if you want how actual pirates spoke, there was probably a lot more swearing in there.