matter of law vs jurisprudence

matter of law and jurisprudence both are nouns.

Word	Noun	Adjective	Verb	Adverb
matter of law	Yes	No	No	No
jurisprudence	Yes	No	No	No

matter of law (noun)	jurisprudence (noun)
a disputed legal contention that is generally left for a judge to decide	the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do
	the collection of rules imposed by authority