salesman vs salesperson

salesman and salesperson both are nouns.

Word	Noun	Adjective	Verb	Adverb
salesman	Yes	No	No	No
salesperson	Yes	No	No	No

As nouns, salesperson is a hypernym of salesman; that is, salesperson is a word with a broader meaning than salesman:

salesman: a man salesperson
salesperson: a person employed to represent a business and to sell its merchandise (as to customers in a store or to customers who are visited)

Other hypernyms of salesman include adult male, man, sales rep, sales representative.

salesman (noun)	salesperson (noun)
a man salesperson	a person employed to represent a business and to sell its merchandise (as to customers in a store or to customers who are visited)