transport vs freight

transport and freight both are nouns.

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

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

transport: the commercial enterprise of moving goods and materials
freight: transporting goods commercially at rates cheaper than express rates

As verbs, freight is a hyponym of transport; that is, freight is a word with a more specific, narrower meaning than transport:

transport (noun)	freight (noun)
the commercial enterprise of moving goods and materials	transporting goods commercially at rates cheaper than express rates
the act of moving something from one location to another	goods carried by a large vehicle
something that serves as a means of transportation	the charge for transporting something by common carrier
a mechanism that transports magnetic tape across the read/write heads of a tape playback/recorder
an exchange of molecules (and their kinetic energy and momentum) across the boundary between adjacent layers of a fluid or across cell membranes
a state of being carried away by overwhelming emotion

transport (verb)	freight (verb)
move while supporting, either in a vehicle or in one's hands or on one's body	load with goods for transportation
send from one person or place to another	transport commercially as cargo
hold spellbound
move something or somebody around; usually over long distances
transport commercially