military vs onset

military and onset both are nouns.

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

military (noun)	onset (noun)
the military forces of a nation	(military) an offensive against an enemy (using weapons)
	the beginning or early stages

military (adjective)	onset (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