bus station vs bus depot

bus station and bus depot both are nouns.

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

As nouns, bus station and bus depot are synonyms defined as:

Other synonyms of bus station include bus terminal, coach station.

bus station (noun)	bus depot (noun)
a terminal that serves bus passengers	a terminal that serves bus passengers