military vs military unit

military and military unit both are nouns.

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

military (noun)	military unit (noun)
the military forces of a nation	a unit that is part of some military service

military (adjective)	military unit (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