sellout vs marketing

sellout and marketing both are nouns.

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

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

Other hypernyms of sellout include merchandising, selling.

sellout (noun)	marketing (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	shopping at a market
an event for which all tickets are sold	the commercial processes involved in promoting and selling and distributing a product or service
someone who has sold out