jurisprudence vs prosecuting attorney

jurisprudence and prosecuting attorney both are nouns.

Word	Noun	Adjective	Verb	Adverb
jurisprudence	Yes	No	No	No
prosecuting attorney	Yes	No	No	No

jurisprudence (noun)	prosecuting attorney (noun)
the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do	a government official who conducts criminal prosecutions on behalf of the state
the collection of rules imposed by authority