convey vs ferry

convey is not a noun while ferry is a noun.

Word	Noun	Adjective	Verb	Adverb
convey	No	No	Yes	No
ferry	Yes	No	Yes	No

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

convey (noun)	ferry (noun)
	transport by boat or aircraft
	a boat that transports people or vehicles across a body of water and operates on a regular schedule

convey (verb)	ferry (verb)
(of information) make known; pass on	travel by ferry
serve as a means for expressing something	transport by ferry
go or come after and bring or take back	transport from one place to another
take something or somebody with oneself somewhere
transmit or serve as the medium for transmission
transmit a title or property
transfer to another