expedition vs airing

expedition and airing both are nouns.

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

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

Other hyponyms of expedition include field trip.

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