merchandising vs selling

merchandising and selling both are nouns.

Word	Noun	Adjective	Verb	Adverb
merchandising	Yes	No	No	No
selling	Yes	No	No	No

As nouns, merchandising and selling are synonyms defined as:

merchandising and selling: the exchange of goods for an agreed sum of money

Other synonyms of merchandising include marketing.

merchandising (noun)	selling (noun)
the exchange of goods for an agreed sum of money	the exchange of goods for an agreed sum of money
the business of drawing public attention to goods and services
branded products meant to promote another product, especially films and pop groups