查核

查核	chá hé	to check
查	Zhā	surname Zha
查	chá	to research / to check / to investigate / to examine / to refer to / to look up (e.g. a word in a dictionary)
查	zhā	variant of 楂
核	hé	pit / stone / nucleus / nuclear / to examine / to check / to verify
核	hé	variant of 核 / to investigate