merchandising vs resale

merchandising and resale both are nouns.

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

As nouns, resale is a hyponym of merchandising; that is, resale is a word with a more specific, narrower meaning than merchandising:

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