payload vs product

payload and product both are nouns.

Word	Noun	Adjective	Verb	Adverb
payload	Yes	No	No	No
product	Yes	No	No	No

As nouns, product is a hypernym of payload; that is, product is a word with a broader meaning than payload:

Other hypernyms of payload include merchandise, ware.

payload (noun)	product (noun)
goods carried by a large vehicle	an artifact that has been created by someone or some process
the front part of a guided missile or rocket or torpedo that carries the nuclear or explosive charge or the chemical or biological agents	items for sale to the individual consumer
	a quantity obtained by multiplication
	the set of elements common to two or more sets
	a consequence of someone's efforts or of a particular set of circumstances
	a chemical substance formed as a result of a chemical reaction