bus terminal vs depot

bus terminal and depot both are nouns.

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

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

Other hypernyms of bus terminal include terminal, terminus.

bus terminal (noun)	depot (noun)
a terminal that serves bus passengers	station where transport vehicles load or unload passengers or goods
	a depository for goods