zip vs flit

zip and flit both are nouns.

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

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

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

zip (noun)	flit (noun)
a fastener for locking together two toothed edges by means of a sliding tab	a sudden quick movement
forceful exertion	a secret move (to avoid paying debts)
a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential

zip (verb)	flit (verb)
close with a zipper	move along rapidly and lightly; skim or dart
move very fast