military vs army

military and army both are nouns.

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

military (noun)	army (noun)
the military forces of a nation	a permanent organization of the military land forces of a nation or state
	a large number of people united for some specific purpose

military (adjective)	army (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