I'm not sure how they came up with the statistics, but here's the 100 most common misspellings, and mispronounced words in English not endorsing it, just listing it here for y'all to look at.

http://www.yourdictionary.com/library/misspelled.html
http://www.yourdictionary.com/library/mispron.html

Sorry Jackie, but Miscelleny isn't on the list.

Hev