train depot vs railroad terminal

train depot and railroad terminal both are nouns.

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

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

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

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

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