race vs dart

race and dart both are nouns.

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

As verbs, dart is a hyponym of race; that is, dart 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, dash, flash, scoot, scud, shoot.

race (noun)	dart (noun)
a canal for a current of water	a sudden quick movement
a contest of speed	a tapered tuck made in dressmaking
any competition	a small narrow pointed missile that is thrown or shot
people who are believed to belong to the same genetic stock
(biology) a taxonomic group that is a division of a species; usually arises as a consequence of geographical isolation within a species
the flow of air that is driven backwards by an aircraft propeller

race (verb)	dart (verb)
compete in a race	run or move very quickly or hastily
move hurridly	move along rapidly and lightly; skim or dart
cause to move fast or to rush or race	move with sudden speed
to work as fast as possible towards a goal, sometimes in competition with others