Of course. But my mind categorizes them separately... As in, in two speakers with the same accent can have two different "pronounciations" of a word. And likewise, one "pronounciation" can sound differently coming from two different accents.
You mean like 'edinbara' or 'middlesbra'? Or asthma where the 'th' might as well not even be there? Queue?
Is it weird or is it wierd? Worstersher sauce? English is full of those, c'mon :p everything is pronounced wrong.