train dispatcher vs trainmaster

train dispatcher and trainmaster both are nouns.

Word	Noun	Adjective	Verb	Adverb
train dispatcher	Yes	No	No	No
trainmaster	Yes	No	No	No

As nouns, train dispatcher and trainmaster are synonyms defined as:

train dispatcher and trainmaster: a railroad employer who is in charge of a railway yard

Other synonyms of train dispatcher include yardmaster.

train dispatcher (noun)	trainmaster (noun)
a railroad employer who is in charge of a railway yard	a railroad employer who is in charge of a railway yard