cargo vs freight

cargo and freight both are nouns.

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

As nouns, cargo and freight are synonyms defined as:

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

cargo (noun)	freight (noun)
goods carried by a large vehicle	transporting goods commercially at rates cheaper than express rates
	goods carried by a large vehicle
	the charge for transporting something by common carrier

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