convey vs flash

convey is not a noun while flash is a noun.

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

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

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

convey (noun)	flash (noun)
	a lamp for providing momentary light to take a photograph
	a bright patch of color used for decoration or identification
	a momentary brightness
	a sudden brilliant understanding
	a short news announcement concerning some on-going news story
	a burst of light used to communicate or illuminate
	a gaudy outward display
	a sudden intense burst of radiant energy
	a short vivid experience
	a very short time (as the time it takes the eye to blink or the heart to beat)

convey (adjective)	flash (adjective)
	tastelessly showy

convey (verb)	flash (verb)
(of information) make known; pass on	appear briefly
serve as a means for expressing something	emit a brief burst of light
go or come after and bring or take back	make known or cause to appear with great speed
take something or somebody with oneself somewhere	protect by covering with a thin sheet of metal
transmit or serve as the medium for transmission	run or move very quickly or hastily
transmit a title or property	gleam or glow intermittently
transfer to another	display proudly; act ostentatiously or pretentiously
	expose or show briefly