It never ceases to amaze me how people can find new ways in which to mispronounce words.
I have just heard a writer (a writer, and so one would assume a person who is interested in words) on The Radio 4 programme Saturday Live, pronounce, in all seriousness, the word chasm with the same initial sound as in the word church. Yes, I have heard it said like this as a joke, poking fun at English spelling conventions, but never as what was clearly the speaker’s belief that it was the usual way to say the word.
It isn’t even such a rare word. He must have heard ‘kazzm’ many times in the course of his life. Has he never connected the two?