stationmaster vs station agent

stationmaster and station agent both are nouns.

Word	Noun	Adjective	Verb	Adverb
stationmaster	Yes	No	No	No
station agent	Yes	No	No	No

As nouns, stationmaster and station agent are synonyms defined as:

stationmaster and station agent: the person in charge of a railway station

stationmaster (noun)	station agent (noun)
the person in charge of a railway station	the person in charge of a railway station