come through vs assay

come through is not a noun while assay is a noun.

Word	Noun	Adjective	Verb	Adverb
come through	No	No	Yes	No
assay	Yes	No	Yes	No

come through (noun)	assay (noun)
	a quantitative or qualitative test of a substance (especially an ore or a drug) to determine its components; frequently used to test for the presence or concentration of infectious agents or antibodies etc.
	an appraisal of the state of affairs
	a written report of the results of an analysis of the composition of some substance
	a substance that is undergoing an analysis of its components

come through (verb)	assay (verb)
penetrate	analyze (chemical substances)
succeed in reaching a real or abstract destination after overcoming problems	make an effort or attempt
attain success or reach a desired goal
continue in existence after (an adversity, etc.)