How to report pronunciation mistakes to Apple
I mean, there are some results for it, but mostly it is about getting Siri to pronounce names in your address book correctly. I'm talking about fundamental mispronunciations. For example Avanade is clearly indicate as /ˈævənɑːd/ on Wikipedia, as well as numerous, YouTube examples, and yet both Google and Apple think it is /ˈævəneid/).
https://www.google.com/search?q=how+to+report+pronunciation+mistakes+to+Apple&gs_ivs=1