freight rate vs freight

freight rate and freight both are nouns.

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

As nouns, freight rate and freight are synonyms defined as:

freight rate and freight: the charge for transporting something by common carrier

Other synonyms of freight rate include freightage.

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

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