military vs standing army

military and standing army both are nouns.

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

military (noun)	standing army (noun)
the military forces of a nation	a permanent army of paid soldiers

military (adjective)	standing 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