reversionary vs jurisprudence

reversionary is not a noun while jurisprudence is a noun.

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

reversionary (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

reversionary (adjective)	jurisprudence (adjective)
of or relating to or involving a reversion (especially a legal reversion)