traveling salesman vs bagman

traveling salesman and bagman both are nouns.

Word	Noun	Adjective	Verb	Adverb
traveling salesman	Yes	No	No	No
bagman	Yes	No	No	No

As nouns, traveling salesman and bagman are synonyms defined as:

traveling salesman and bagman: a salesman who travels to call on customers

Other synonyms of traveling salesman include commercial traveler, commercial traveller, roadman, travelling salesman.

traveling salesman (noun)	bagman (noun)
a salesman who travels to call on customers	a racketeer assigned to collect or distribute payoff money
	a salesman who travels to call on customers