噛合う[kamiau] to gear (engage) with
噛み合せる[kamiawaseru] to clench (teeth)
噛砕く[kamikudaku] to crunch
噛殺す[kamikorosu] to stifle a smile, yawn, etc.
噛熟す[kamikonasu] to chew

噛み切る[kamikiru] to bite off
噛締める[kamishimeru] to chew thoroughly
噛付く[kamitsuku] to bite (at)
噛分ける[kamiwakeru] to taste
噛む[kamu] to bite

あっ砕[assai] crushing
圧砕機[assaiki] grinder
噛砕く[kamikudaku] to crunch
玉砕[gyokusai] honourable defeat
撃砕[gekisai] pulverising

砕く[kudaku] to break
砕け[kudake] familiar (informal) (speech style)
砕ける[kudakeru] to break (into pieces)
砕け散る[kudakechiru] to be smashed up
砕石[saiseki] broken stone