race vs flash

race and flash both are nouns.

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

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

Other hyponyms of race include barge, push forward, thrust ahead, buck, charge, shoot, shoot down, tear, dart, dash, scoot, scud, shoot.

race (noun)	flash (noun)
a canal for a current of water	a lamp for providing momentary light to take a photograph
a contest of speed	a bright patch of color used for decoration or identification
any competition	a momentary brightness
people who are believed to belong to the same genetic stock	a sudden brilliant understanding
(biology) a taxonomic group that is a division of a species; usually arises as a consequence of geographical isolation within a species	a short news announcement concerning some on-going news story
the flow of air that is driven backwards by an aircraft propeller	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)

race (adjective)	flash (adjective)
	tastelessly showy

race (verb)	flash (verb)
compete in a race	appear briefly
move hurridly	emit a brief burst of light
cause to move fast or to rush or race	make known or cause to appear with great speed
to work as fast as possible towards a goal, sometimes in competition with others	protect by covering with a thin sheet of metal
	run or move very quickly or hastily
	gleam or glow intermittently
	display proudly; act ostentatiously or pretentiously
	expose or show briefly