military vs demonstration

military and demonstration both are nouns.

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

military (noun)	demonstration (noun)
the military forces of a nation	a show or display; the act of presenting something to sight or view
	a public display of group feelings (usually of a political nature)
	a show of military force or preparedness
	a visual presentation showing how something works
	proof by a process of argument or a series of proposition proving an asserted conclusion

military (adjective)	demonstration (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