War of the Roses vs war

War of the Roses and war both are nouns.

Word	Noun	Adjective	Verb	Adverb
War of the Roses	Yes	No	No	No
war	Yes	No	Yes	No

War of the Roses (noun)	war (noun)
struggle for the English throne (1455-1485) between the house of York (white rose) and the house of Lancaster (red rose) ending with the accession of the Tudor monarch Henry VII	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

War of the Roses (verb)	war (verb)
	make or wage war