jurisprudence vs question of law

jurisprudence and question of law both are nouns.

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

jurisprudence (noun)	question 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