google "what are the differences between British and American English?" https://www.britishcouncilfoundation.id/en/english/articles/british-and-american-english youtube pronunciation example: https://www.youtube.com/watch?v=2nAnT3PASak

There are small differences in everyday vocabulary. There are some different expressions and slang which can be used. A few words are pronounced differently and this isn't the same as what you see with accents.