airing vs expedition

airing and expedition both are nouns.

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

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

Other hypernyms of airing include excursion, jaunt, junket, outing, pleasure trip, sashay.

airing (noun)	expedition (noun)
the act of supplying fresh air and getting rid of foul air	a journey organized for a particular purpose
a short excursion (a walk or ride) in the open air	a military campaign designed to achieve a specific objective in a foreign country
the opening of a subject to widespread discussion and debate	a journey taken for pleasure
	the property of being prompt and efficient
	an organized group of people undertaking a journey for a particular purpose