nullifier vs advocate

nullifier and advocate both are nouns.

Word	Noun	Adjective	Verb	Adverb
nullifier	Yes	No	No	No
advocate	Yes	No	Yes	No

As nouns, advocate is a hypernym of nullifier; that is, advocate is a word with a broader meaning than nullifier:

nullifier: an advocate of nullification; someone who believes that a state can resist federal laws
advocate: a person who pleads for a cause or propounds an idea

Other hypernyms of nullifier include advocator, exponent, proponent.

nullifier (noun)	advocate (noun)
an advocate of nullification; someone who believes that a state can resist federal laws	a person who pleads for a cause or propounds an idea
an official who can invalidate or nullify	a lawyer who pleads cases in court

nullifier (verb)	advocate (verb)
	push for something
	speak, plead, or argue in favor of