war vs Greek War of Independence

war and Greek War of Independence both are nouns.

Word	Noun	Adjective	Verb	Adverb
war	Yes	No	Yes	No
Greek War of Independence	Yes	No	No	No

war (noun)	Greek War of Independence (noun)
the waging of armed conflict against an enemy	the Greeks rebelled against Turkish rule in 1821; with the support of England and France and Russia they won independence in 1828 at Navarino (although the country included only half its present size)
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 (verb)	Greek War of Independence (verb)
make or wage war