payload vs freight

payload and freight both are nouns.

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

As nouns, payload and freight are synonyms defined as:

Other synonyms of payload include cargo, consignment, lading, load, loading, shipment.

payload (noun)	freight (noun)
goods carried by a large vehicle	transporting goods commercially at rates cheaper than express rates
the front part of a guided missile or rocket or torpedo that carries the nuclear or explosive charge or the chemical or biological agents	goods carried by a large vehicle
	the charge for transporting something by common carrier

payload (verb)	freight (verb)
	load with goods for transportation
	transport commercially as cargo