Are these words misspelled/misspelt most?

The people at WordUnscrambler.pro sent me a list of "the most misspelled (BrE misspelt *) words" for the UK. I get a lot of these "we did this thing so that your blog will give us free advertising," and I usually ignore them, but I'll give this one some attention—partly because they sent a US list to Language Log (who published it), so I can do some comparison. But I first have to gripe a bit.…