airdock vs repair shed

airdock and repair shed both are nouns.

Word	Noun	Adjective	Verb	Adverb
airdock	Yes	No	No	No
repair shed	Yes	No	No	No

As nouns, airdock and repair shed are synonyms defined as:

airdock and repair shed: a large structure at an airport where aircraft can be stored and maintained

Other synonyms of airdock include hangar.

airdock (noun)	repair shed (noun)
a large structure at an airport where aircraft can be stored and maintained	a large structure at an airport where aircraft can be stored and maintained