political campaign vs effort

political campaign and effort both are nouns.

Word	Noun	Adjective	Verb	Adverb
political campaign	Yes	No	No	No
effort	Yes	No	No	No

As nouns, effort is a hypernym of political campaign; that is, effort is a word with a broader meaning than political campaign:

political campaign: the campaign of a candidate to be elected
effort: a series of actions advancing a principle or tending toward a particular end

Other hypernyms of political campaign include campaign, cause, crusade, drive, movement.

political campaign (noun)	effort (noun)
the campaign of a candidate to be elected	earnest and conscientious activity intended to do or accomplish something
a race between candidates for elective office	use of physical or mental energy; hard work
	a notable achievement
	a series of actions advancing a principle or tending toward a particular end