military vs military academy

military and military academy both are nouns.

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

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

military (adjective)	military academy (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