military vs fighter

military and fighter both are nouns.

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

military (noun)	fighter (noun)
the military forces of a nation	a high-speed military or naval airplane designed to destroy enemy aircraft in the air
	someone who fights (or is fighting)
	someone who fights for a cause

military (adjective)	fighter (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