null vs jurisprudence

null and jurisprudence both are nouns.

Word	Noun	Adjective	Verb	Adverb
null	Yes	Yes	No	No
jurisprudence	Yes	No	No	No

null (noun)	jurisprudence (noun)
a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential	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

null (adjective)	jurisprudence (adjective)
lacking any legal or binding force