jurisprudence vs class-action suit

jurisprudence and class-action suit both are nouns.

Word	Noun	Adjective	Verb	Adverb
jurisprudence	Yes	No	No	No
class-action suit	Yes	No	No	No

jurisprudence (noun)	class-action suit (noun)
the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do	a lawsuit brought by a representative member of a large group of people on behalf of all members of the group
the collection of rules imposed by authority