lumberjack vs lumberman

lumberjack and lumberman both are nouns.

Word	Noun	Adjective	Verb	Adverb
lumberjack	Yes	No	No	No
lumberman	Yes	No	No	No

As nouns, lumberjack and lumberman are synonyms defined as:

Other synonyms of lumberjack include faller, feller, logger.

lumberjack (noun)	lumberman (noun)
a short warm outer jacket	a person who fells trees
a person who fells trees