military vs naval academy

military and naval academy both are nouns.

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

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

military (adjective)	naval 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