recommend vs advocate

recommend is not a noun while advocate is a noun.

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

As verbs, recommend and advocate are synonyms defined as:

Other synonyms of recommend include urge.

recommend (noun)	advocate (noun)
	a person who pleads for a cause or propounds an idea
	a lawyer who pleads cases in court

recommend (verb)	advocate (verb)
make attractive or acceptable	push for something
express a good opinion of	speak, plead, or argue in favor of
push for something