undue vs jurisprudence

undue is not a noun while jurisprudence is a noun.

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

undue (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

undue (adjective)	jurisprudence (adjective)
not yet payable
not appropriate or proper (or even legal) in the circumstances
beyond normal limits
lacking justification or authorization