political campaign vs campaign

political campaign and campaign both are nouns.

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

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

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

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

As nouns, political campaign and campaign are synonyms defined as:

political campaign and campaign: a race between candidates for elective office

Other synonyms of political campaign include run.

political campaign (noun)	campaign (noun)
the campaign of a candidate to be elected	several related operations aimed at achieving a particular goal (usually within geographical and temporal constraints)
a race between candidates for elective office	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

political campaign (verb)	campaign (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