blue ribbon jury vs jurisprudence

blue ribbon jury and jurisprudence both are nouns.

Word	Noun	Adjective	Verb	Adverb
blue ribbon jury	Yes	No	No	No
jurisprudence	Yes	No	No	No

blue ribbon jury (noun)	jurisprudence (noun)
a jury whose members are selected for special knowledge for a case involving complicated issues	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