exponent vs advocate

exponent and advocate both are nouns.

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

As nouns, exponent and advocate are synonyms defined as:

exponent and advocate: a person who pleads for a cause or propounds an idea

Other synonyms of exponent include advocator, proponent.

exponent (noun)	advocate (noun)
a mathematical notation indicating the number of times a quantity is multiplied by itself	a person who pleads for a cause or propounds an idea
a person who pleads for a cause or propounds an idea	a lawyer who pleads cases in court
someone who expounds and interprets or explains

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