personnel vs military

personnel and military both are nouns.

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

As nouns, military is a hyponym of personnel; that is, military is a word with a more specific, narrower meaning than personnel:

personnel (noun)	military (noun)
group of people willing to obey orders	the military forces of a nation
the department responsible for hiring and training and placing employees and for setting policies for personnel management

personnel (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