咬合

咬合	yǎo hé	(of uneven surfaces) to fit together / (of gear wheels) to mesh / (dentistry) occlusion / bite
咬	yǎo	to bite / to nip
咬	yǎo	variant of 咬
合	gě	100 ml / one-tenth of a peck / measure for dry grain equal to one-tenth of sheng 升 or liter, or one-hundredth dou 斗
合	hé	to close / to join / to fit / to be equal to / whole / together / round (in battle) / conjunction (astronomy) / 1st note of pentatonic scale / old variant of 盒
合	hé	variant of 合