airport terminal vs depot

airport terminal and depot both are nouns.

Word	Noun	Adjective	Verb	Adverb
airport terminal	Yes	No	No	No
depot	Yes	No	No	No

As nouns, depot is a hypernym of airport terminal; that is, depot is a word with a broader meaning than airport terminal:

Other hypernyms of airport terminal include terminal, terminus.

airport terminal (noun)	depot (noun)
a terminal that serves air travelers or air freight	station where transport vehicles load or unload passengers or goods
	a depository for goods