Marines vs military

Marines and military both are nouns.

Word	Noun	Adjective	Verb	Adverb
Marines	Yes	No	No	No
military	Yes	Yes	No	No

Marines (noun)	military (noun)
members of a body of troops trained to serve on land or at sea	the military forces of a nation
an amphibious division of the United States Navy

Marines (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