military vs lights-out

military and lights-out both are nouns.

Word	Noun	Adjective	Verb	Adverb
military	Yes	Yes	No	No
lights-out	Yes	No	No	No

military (noun)	lights-out (noun)
the military forces of a nation	(military) signal to turn the lights out
	a prescribed bedtime

military (adjective)	lights-out (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