When I was a youngster, I read a lot of books. I learned a lot of words just from context. Too bad nobody was reading it to me.
My parents about fell out of their chairs the first time I said "inevitable." I pronounced it in-ee-VITT-uh-bull.
We had a guy on our floor at ISU thought prerequisite was pronounced, "Pre-ruh-KWEE-stee." Swear to god that's true.