jurisprudence vs justice of the peace

jurisprudence and justice of the peace both are nouns.

Word	Noun	Adjective	Verb	Adverb
jurisprudence	Yes	No	No	No
justice of the peace	Yes	No	No	No

jurisprudence (noun)	justice of the peace (noun)
the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do	a local magistrate with limited powers
the collection of rules imposed by authority