jurisprudence vs plead

jurisprudence is a noun but plead is not a noun.

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

jurisprudence (noun)	plead (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 (verb)	plead (verb)
	appeal or request earnestly
	enter a plea, as in courts of law
	offer as an excuse or plea
	make an allegation in an action or other legal proceeding, especially answer the previous pleading of the other party by denying facts therein stated or by alleging new facts