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

出臍[debeso] protruding navel
膃肭臍[ottosei] fur seal (esp. the northern fur seal, Callorhinus ursinus)
お臍[oheso] navel
臍のゴマ[hesonogoma] belly-button lint
臍の緒[hesonoo] umbilical cord

臍下[seika] lower abdomen
臍下丹田[seikatanden] pit of the stomach
臍曲り[hesomagari] perverseness
臍繰り[hesokuri] secret savings
臍繰り金[hesokurigane] secret savings