The only ones I can think of are usually because of dialect, so they don't really stand out as "wrong" to me. My sister's old roommate pronounced prosciutto as "prah-ski-oo-toe", which I thought was hilarious. My mom has trouble with soft "g" sounds, so words like "massage" and "garage" sound funny. She has trouble with pronunciation subtlety; she can't hear the differences in some sounds, so she learns words incorrectly.
I didn't know where the stress in "superfluous" went for a while. I mistakenly put the stress in the same place you would in "super".
I didn't know where the stress in "superfluous" went for a while. I mistakenly put the stress in the same place you would in "super".