jurisprudence vs blue sky law

jurisprudence and blue sky law both are nouns.

Word	Noun	Adjective	Verb	Adverb
jurisprudence	Yes	No	No	No
blue sky law	Yes	No	No	No

jurisprudence (noun)	blue sky law (noun)
the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do	a state law regulating the sale of securities in an attempt to control the sale of securities in fraudulent enterprises
the collection of rules imposed by authority