fleet vs vanish

fleet is a noun but vanish is not a noun.

Word	Noun	Adjective	Verb	Adverb
fleet	Yes	Yes	Yes	No
vanish	No	No	Yes	No

As verbs, vanish is a hypernym of fleet; that is, vanish is a word with a broader meaning than fleet:

Other hypernyms of fleet include disappear, go away.

fleet (noun)	vanish (noun)
a group of warships organized as a tactical unit
a group of steamships operating together under the same ownership
group of motor vehicles operating together under the same ownership
group of aircraft operating together under the same ownership

fleet (adjective)	vanish (adjective)
moving very fast

fleet (verb)	vanish (verb)
disappear gradually	get lost, as without warning or explanation
move along rapidly and lightly; skim or dart	decrease rapidly and disappear
	cease to exist
	pass away rapidly
	become invisible or unnoticeable