jurisprudence vs ruling

jurisprudence and ruling both are nouns.

Word	Noun	Adjective	Verb	Adverb
jurisprudence	Yes	No	No	No
ruling	Yes	Yes	No	No

jurisprudence (noun)	ruling (noun)
the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do	the reason for a court's judgment (as opposed to the decision itself)
the collection of rules imposed by authority

jurisprudence (adjective)	ruling (adjective)
	exercising power or authority