YourDictionary.com compiled a list of the 100 most often mispronounced words.

I expected them to be things liked ‘acrossed’ and ‘nucular’ but there were a few that I didn’t realize I said wrong, like ‘Klu Klux Klan’ (it should be Ku Klux Klan) and ‘barbituate’ (it should be barbiturate) and lambast (it’s supposed to rhyme with baste). I’m not so sure about ‘chomp at the bit’ (they say it should be ‘champ at the bit’) because freesearch says to chomp at the bit is a valid alternative and Google has 15,200 results for ‘champing at the bit’ and 45,700 for ‘chomping at the bit’.

In any case, I want to pronounce words correctly so in spite of the disagreement I found the rest of the list quite useful.