gun room vs military

gun room and military both are nouns.

Word	Noun	Adjective	Verb	Adverb
gun room	Yes	No	No	No
military	Yes	Yes	No	No

gun room (noun)	military (noun)
military quarters of midshipmen and junior officers on a British warship	the military forces of a nation

gun room (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