jurisprudence vs ultra vires

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

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

jurisprudence (noun)	ultra vires (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

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

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