legal action vs jurisprudence

legal action and jurisprudence both are nouns.

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

legal action (noun)	jurisprudence (noun)
a judicial proceeding brought by one party against another; one party prosecutes another for a wrong done or for protection of a right or for prevention of a wrong	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