Regardless, but irregardless, there are sure a lot of them. Many of them, if you look up the origins are other languages that have been melded into English. If you want to see more interesting comparison, check out the differences between US English and UK English! And Canada seems to be a mix of the two, depending on where you are. Even a lot of pronounciation of the same spelling in some cases end up with entirely different pronounciations.
HTH,
Twayne`