zip vs travel rapidly

zip is a noun but travel rapidly is not a noun.

Word	Noun	Adjective	Verb	Adverb
zip	Yes	No	Yes	No
travel rapidly	No	No	Yes	No

As verbs, zip and travel rapidly are synonyms defined as:

Other synonyms of zip include hurry, speed.

zip (noun)	travel rapidly (noun)
a fastener for locking together two toothed edges by means of a sliding tab
forceful exertion
a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential

zip (verb)	travel rapidly (verb)
close with a zipper	move very fast
move very fast