martial law vs jurisprudence

martial law and jurisprudence both are nouns.

Word	Noun	Adjective	Verb	Adverb
martial law	Yes	No	No	No
jurisprudence	Yes	No	No	No

As nouns, jurisprudence is a hypernym of martial law; that is, jurisprudence is a word with a broader meaning than martial law:

martial law: the body of law imposed by the military over civilian affairs (usually in time of war or civil crisis); overrides civil law
jurisprudence: the collection of rules imposed by authority

Other hypernyms of martial law include law.

martial law (noun)	jurisprudence (noun)
the body of law imposed by the military over civilian affairs (usually in time of war or civil crisis); overrides civil law	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