Jane Doe vs jurisprudence

Jane Doe and jurisprudence both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jane Doe	Yes	No	No	No
jurisprudence	Yes	No	No	No

Jane Doe (noun)	jurisprudence (noun)
an unknown or fictitious woman who is a party to legal proceedings	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