Did you possibly mean one of these? Granth, grinch, grouch, raunch
Examples
“This is both awkward and unnecessary: onomatopoetic words like ching and graunch do easy service as nouns.”
“To break or damage in a grinding sort of way is to graunch, a word tending to replace puckeroo, I think.”
Lists
These user-created lists contain the word ‘graunch’.
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Words with 'aunch' in them.
For some reason this combination has always appealed to me; sometimes to the point of altering words to make them.
launch, staunch, paunch, craunch, haunch, aunchient, traunch, raunchy, launcheon, raunch, paunchy, faunch and 17 more...
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Discordial
Annoying, loud, or awful sounds.
portamento, scroop, clangor, plangent, stentorian, hubbub, cacophony, burble, guggle, donder, sough, racket and 82 more...
Tweets
Looking for tweets for graunch.

whichbe To make a crunching or grinding sound. May 12, 2008