naval academy vs military

naval academy and military both are nouns.

Word	Noun	Adjective	Verb	Adverb
naval academy	Yes	No	No	No
military	Yes	Yes	No	No

naval academy (noun)	military (noun)
an academy for training naval officers	the military forces of a nation

naval academy (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