anti-war movement vs effort

anti-war movement and effort both are nouns.

Word	Noun	Adjective	Verb	Adverb
anti-war movement	Yes	No	No	No
effort	Yes	No	No	No

As nouns, effort is a hypernym of anti-war movement; that is, effort is a word with a broader meaning than anti-war movement:

anti-war movement: a campaign against entering or continuing a war
effort: a series of actions advancing a principle or tending toward a particular end

Other hypernyms of anti-war movement include campaign, cause, crusade, drive, movement.

anti-war movement (noun)	effort (noun)
a campaign against entering or continuing a war	earnest and conscientious activity intended to do or accomplish something
	use of physical or mental energy; hard work
	a notable achievement
	a series of actions advancing a principle or tending toward a particular end