navy vs military

navy and military both are nouns.

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

navy (noun)	military (noun)
a dark shade of blue	the military forces of a nation
an organization of military vessels belonging to a country and available for sea warfare

navy (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