convey vs say

convey is not a noun while say is a noun.

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

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

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

convey (noun)	say (noun)
	the chance to speak

convey (verb)	say (verb)
(of information) make known; pass on	express in words
serve as a means for expressing something	report or maintain
go or come after and bring or take back	speak, pronounce, or utter in a certain way
take something or somebody with oneself somewhere	express a supposition
transmit or serve as the medium for transmission	give instructions to or direct somebody to do something with authority
transmit a title or property	communicate or express nonverbally
transfer to another	recite or repeat a fixed text
	indicate
	state as one's opinion or judgement; declare
	utter aloud
	have or contain a certain wording or form