考据

考据	kǎo jù	textual criticism
考	kǎo	to beat / to hit / variant of 考 / to inspect / to test / to take an exam
考	kǎo	to check / to verify / to test / to examine / to take an exam / to take an entrance exam for / deceased father
据	jù	variant of 据
据	jū	used in 拮据
据	jù	variant of 据
据	jù	according to / to act in accordance with / to depend on / to seize / to occupy