fleet vs combat ship

fleet and combat ship both are nouns.

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

fleet (noun)	combat ship (noun)
a group of warships organized as a tactical unit	a government ship that is available for waging war
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)	combat ship (adjective)
moving very fast

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