military vs National Guard

military and National Guard both are nouns.

Word	Noun	Adjective	Verb	Adverb
military	Yes	Yes	No	No
National Guard	Yes	No	No	No

military (noun)	National Guard (noun)
the military forces of a nation	United States military reserves recruited by the states and equipped by the federal government; subject to call by either

military (adjective)	National Guard (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