jurisprudence vs legal brief

jurisprudence and legal brief both are nouns.

Word	Noun	Adjective	Verb	Adverb
jurisprudence	Yes	No	No	No
legal brief	Yes	No	No	No

jurisprudence (noun)	legal brief (noun)
the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do	a document stating the facts and points of law of a client's case
the collection of rules imposed by authority