English is famously difficult to spell. It requires those who read and write it to accept that was rhymes with does (but not with toes); that toe rhymes with dough, (but not with cough); that bird rhymes with word but not with cord, and except and accept are two distinct words that can't readily be distinguished in speech.
English spelling can be largely blamed on its long, meandering journey from its Germanic infancy through its impressionable childhood of encounters with Latin, Old Norse, and Anglo-French, plus its adulthood spent raiding nearly every other language it happens to bump into. All those encounters, plus the fact that the language is more than a thousand years old and languages are simply inherently vulnerable to the vagaries of time.
One irksome upshot of all the resultant inconsistency in spelling is that spelling often isn't a reliable cue for pronunciation. Lots of words simply don't say what you'd expect them to say, given their appearance. But say them in a way other than the way radio professionals are taught and you're likely to encounter some raised eyebrows. Consider this list a tool to help those judgmental eyebrows stay low.