sale vs merchandising

sale and merchandising both are nouns.

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

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

Other hypernyms of sale include marketing, selling.

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

Other hypernyms of sale include marketing, selling.

sale (noun)	merchandising (noun)
a particular instance of selling	the exchange of goods for an agreed sum of money
an occasion (usually brief) for buying at specially reduced prices	the business of drawing public attention to goods and services
the general activity of selling	branded products meant to promote another product, especially films and pop groups
an agreement (or contract) in which property is transferred from the seller (vendor) to the buyer (vendee) for a fixed price in money (paid or agreed to be paid by the buyer)
the state of being purchasable; offered or exhibited for selling