zip vs dart

zip and dart both are nouns.

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

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

Other hyponyms of zip include fleet, flit, flutter, run, whizz, whizz along, zoom, zoom along.

zip (noun)	dart (noun)
a fastener for locking together two toothed edges by means of a sliding tab	a sudden quick movement
forceful exertion	a tapered tuck made in dressmaking
a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential	a small narrow pointed missile that is thrown or shot

zip (verb)	dart (verb)
close with a zipper	run or move very quickly or hastily
move very fast	move along rapidly and lightly; skim or dart
	move with sudden speed