bus line vs fleet

bus line and fleet both are nouns.

Word	Noun	Adjective	Verb	Adverb
bus line	Yes	No	No	No
fleet	Yes	Yes	Yes	No

bus line (noun)	fleet (noun)
an organization responsible for operating a bus transportation system	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

bus line (adjective)	fleet (adjective)
	moving very fast

bus line (verb)	fleet (verb)
	disappear gradually
	move along rapidly and lightly; skim or dart