Richard Roe vs jurisprudence

Richard Roe and jurisprudence both are nouns.

Word	Noun	Adjective	Verb	Adverb
Richard Roe	Yes	No	No	No
jurisprudence	Yes	No	No	No

Richard Roe (noun)	jurisprudence (noun)
an unknown or fictitious 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