Spanish-American War vs war

Spanish-American War and war both are nouns.

Word	Noun	Adjective	Verb	Adverb
Spanish-American War	Yes	No	No	No
war	Yes	No	Yes	No

Spanish-American War (noun)	war (noun)
a war between the United States and Spain in 1898	the waging of armed conflict against an enemy
	a concerted campaign to end something that is injurious
	an active struggle between competing entities
	a legal state created by a declaration of war and ended by official declaration during which the international rules of war apply

Spanish-American War (verb)	war (verb)
	make or wage war