insistence vs advocacy

insistence and advocacy both are nouns.

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

As nouns, advocacy is a hypernym of insistence; that is, advocacy is a word with a broader meaning than insistence:

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

Other hypernyms of insistence include protagonism.

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