jurisprudence vs concurrent negligence

jurisprudence and concurrent negligence both are nouns.

Word	Noun	Adjective	Verb	Adverb
jurisprudence	Yes	No	No	No
concurrent negligence	Yes	No	No	No

jurisprudence (noun)	concurrent negligence (noun)
the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do	(law) negligence of two of more persons acting independently; the plaintiff may sue both together or separately
the collection of rules imposed by authority