Department of Justice vs jurisprudence

Department of Justice and jurisprudence both are nouns.

Word	Noun	Adjective	Verb	Adverb
Department of Justice	Yes	No	No	No
jurisprudence	Yes	No	No	No

Department of Justice (noun)	jurisprudence (noun)
the United States federal department responsible for enforcing federal laws (including the enforcement of all civil rights legislation); created in 1870	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