jurisprudence vs matter of law

jurisprudence and matter of law both are nouns.

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

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