证供

证供	zhèng gòng	(law) testimony; evidence (given by a witness)
证	zhèng	to admonish / variant of 证
证	zhèng	certificate / proof / to prove / to demonstrate / to confirm / variant of 症
供	gōng	to provide; to supply / to be for (the use or convenience of)
供	gòng	to lay (sacrificial offerings) / (bound form) offerings / to confess (Taiwan pr. [gong1]) / confession; statement (Taiwan pr. [gong1])