class action vs jurisprudence

class action and jurisprudence both are nouns.

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

class action (noun)	jurisprudence (noun)
a lawsuit brought by a representative member of a large group of people on behalf of all members of the group	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