urge vs advocate

urge and advocate both are nouns.

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

As verbs, advocate is a hyponym of urge; that is, advocate is a word with a more specific, narrower meaning than urge:

Other hyponyms of urge include hurry, rush, bear on, push, preach.

As verbs, urge and advocate are synonyms defined as:

Other synonyms of urge include recommend.

urge (noun)	advocate (noun)
a strong restless desire	a person who pleads for a cause or propounds an idea
an instinctive motive	a lawyer who pleads cases in court

urge (verb)	advocate (verb)
force or impel in an indicated direction	push for something
spur on or encourage especially by cheers and shouts	speak, plead, or argue in favor of
push for something