bellboy vs bellman

bellboy and bellman both are nouns.

Word	Noun	Adjective	Verb	Adverb
bellboy	Yes	No	No	No
bellman	Yes	No	No	No

As nouns, bellboy and bellman are synonyms defined as:

bellboy and bellman: someone employed as an errand boy and luggage carrier around hotels

Other synonyms of bellboy include bellhop.

bellboy (noun)	bellman (noun)
someone employed as an errand boy and luggage carrier around hotels	someone employed as an errand boy and luggage carrier around hotels