commercial traveller vs bagman

commercial traveller and bagman both are nouns.

Word	Noun	Adjective	Verb	Adverb
commercial traveller	Yes	No	No	No
bagman	Yes	No	No	No

As nouns, commercial traveller and bagman are synonyms defined as:

commercial traveller and bagman: a salesman who travels to call on customers

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

commercial traveller (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