jurisprudence vs take the stand

jurisprudence is a noun but take the stand is not a noun.

Word	Noun	Adjective	Verb	Adverb
jurisprudence	Yes	No	No	No
take the stand	No	No	Yes	No

jurisprudence (noun)	take the stand (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)	take the stand (verb)
	give testimony in a court of law