air unit vs military

air unit and military both are nouns.

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

air unit (noun)	military (noun)
a military unit that is part of the airforce	the military forces of a nation

air unit (adjective)	military (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