bus depot vs bus station

bus depot and bus station both are nouns.

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

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

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

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