railroad terminal vs train depot

railroad terminal and train depot both are nouns.

Word	Noun	Adjective	Verb	Adverb
railroad terminal	Yes	No	No	No
train depot	Yes	No	No	No

As nouns, railroad terminal and train depot are synonyms defined as:

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

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

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