combat ship vs fleet

combat ship and fleet both are nouns.

Word	Noun	Adjective	Verb	Adverb
combat ship	Yes	No	No	No
fleet	Yes	Yes	Yes	No

combat ship (noun)	fleet (noun)
a government ship that is available for waging war	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

combat ship (adjective)	fleet (adjective)
	moving very fast

combat ship (verb)	fleet (verb)
	disappear gradually
	move along rapidly and lightly; skim or dart