campaign vs Battle of Okinawa

campaign and Battle of Okinawa both are nouns.

Word	Noun	Adjective	Verb	Adverb
campaign	Yes	No	Yes	No
Battle of Okinawa	Yes	No	No	No

campaign (noun)	Battle of Okinawa (noun)
several related operations aimed at achieving a particular goal (usually within geographical and temporal constraints)	a campaign in the closing days of World War II in the Pacific (April to June 1945); in savage close-quarter fighting United States marines and regular army troops took the island from the Japanese; considered the greatest victory of the Pacific campaign for the Americans
an overland journey by hunters (especially in Africa)
a series of actions advancing a principle or tending toward a particular end
a race between candidates for elective office

campaign (verb)	Battle of Okinawa (verb)
go on a campaign; go off to war
run, stand, or compete for an office or a position
exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for