army attache vs military

army attache and military both are nouns.

Word	Noun	Adjective	Verb	Adverb
army attache	Yes	No	No	No
military	Yes	Yes	No	No

army attache (noun)	military (noun)
a military attache who is a commissioned or warrant officer in an army	the military forces of a nation

army attache (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