Numerous letters provide the exact same audio in Polish and English, which include "f" "m", and Other folks, but other letters audio various: Polish "w" looks like an English "v", and Polish "ł" sounds like an English "w". A lot of linguistic sources categorize Silesian as a regional language separate https://isotah.com/exploring-yacht-and-boat-registration-a-comprehensive-guide-to-polish-and-san-marino-registration/