advocacy vs insistence

advocacy and insistence both are nouns.

Word	Noun	Adjective	Verb	Adverb
advocacy	Yes	No	No	No
insistence	Yes	No	No	No

As nouns, insistence is a hyponym of advocacy; that is, insistence is a word with a more specific, narrower meaning than advocacy:

advocacy: active support of an idea or cause etc.; especially the act of pleading or arguing for something
insistence: the act of insisting on something

Other hyponyms of advocacy include drumbeat, insistency, urging.

advocacy (noun)	insistence (noun)
active support of an idea or cause etc.; especially the act of pleading or arguing for something	the act of insisting on something
	continual and persistent demands
	the state of demanding notice or attention