martial law vs military

martial law and military both are nouns.

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

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

martial law (adjective)	military (adjective)
	associated with or performed by members of the armed services as contrasted with civilians
	characteristic of or associated with soldiers or the military
	of or relating to the study of the principles of warfare