convey vs express

convey is not a noun while express is a noun.

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

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

Other hyponyms of convey include give thanks, thank, hint, suggest, say, look, flash, breathe, evince, show, intend, mean.

As verbs, convey and express are synonyms defined as:

Other synonyms of convey include carry.

convey (noun)	express (noun)
	rapid transport of goods
	public transport consisting of a fast train or bus that makes only a few scheduled stops
	mail that is distributed by a rapid and efficient system

convey (adjective)	express (adjective)
	not tacit or implied
	without unnecessary stops

convey (verb)	express (verb)
(of information) make known; pass on	articulate; either verbally or with a cry, shout, or noise
serve as a means for expressing something	give expression to
go or come after and bring or take back	serve as a means for expressing something
take something or somebody with oneself somewhere	indicate through a symbol, formula, etc.
transmit or serve as the medium for transmission	send by rapid transport or special messenger service
transmit a title or property	obtain from a substance, as by mechanical action
transfer to another	manifest the effects of (a gene or genetic trait)

convey (adverb)	express (adverb)
	by express