jurisprudence vs counterclaim

jurisprudence and counterclaim both are nouns.

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

jurisprudence (noun)	counterclaim (noun)
the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do	a claim filed in opposition to another claim in a legal action
the collection of rules imposed by authority

jurisprudence (verb)	counterclaim (verb)
	set up a claim in opposition to a previous claim