train depot vs train station

train depot and train station both are nouns.

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

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

train depot and train station: a terminal/node where trains load or unload passengers or goods

Other synonyms of train depot include railroad station, railroad terminal, railway station.

train depot (noun)	train station (noun)
a terminal/node where trains load or unload passengers or goods	a terminal/node where trains load or unload passengers or goods