campaign vs expedition

campaign and expedition both are nouns.

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

As nouns, expedition is a hyponym of campaign; that is, expedition is a word with a more specific, narrower meaning than campaign:

campaign: several related operations aimed at achieving a particular goal (usually within geographical and temporal constraints)
expedition: a military campaign designed to achieve a specific objective in a foreign country

Other hyponyms of campaign include hostile expedition, military expedition.

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

campaign (noun)	expedition (noun)
several related operations aimed at achieving a particular goal (usually within geographical and temporal constraints)	a journey organized for a particular purpose
an overland journey by hunters (especially in Africa)	a military campaign designed to achieve a specific objective in a foreign country
a series of actions advancing a principle or tending toward a particular end	a journey taken for pleasure
a race between candidates for elective office	the property of being prompt and efficient
	an organized group of people undertaking a journey for a particular purpose

campaign (verb)	expedition (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