sellout vs merchandising

sellout and merchandising both are nouns.

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

As nouns, merchandising is a hypernym of sellout; that is, merchandising is a word with a broader meaning than sellout:

Other hypernyms of sellout include marketing, selling.

sellout (noun)	merchandising (noun)
a betrayal of one's principles principles, country, cause, etc.	the exchange of goods for an agreed sum of money
the selling of an entire stock of something	the business of drawing public attention to goods and services
an event for which all tickets are sold	branded products meant to promote another product, especially films and pop groups
someone who has sold out