ultra vires vs jurisprudence

ultra vires is not a noun while jurisprudence is a noun.

Word	Noun	Adjective	Verb	Adverb
ultra vires	No	Yes	No	Yes
jurisprudence	Yes	No	No	No

ultra vires (noun)	jurisprudence (noun)
	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

ultra vires (adjective)	jurisprudence (adjective)
beyond the legal power or authority of a person or official or body etc

ultra vires (adverb)	jurisprudence (adverb)
beyond the scope or in excess of legal power or authority