starry vs star

starry is not a noun while star is a noun.

Word	Noun	Adjective	Verb	Adverb
starry	No	Yes	No	No
star	Yes	Yes	Yes	No

starry (noun)	star (noun)
	the topology of a network whose components are connected to a hub
	a star-shaped character * used in printing
	(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
	any celestial body visible (as a point of light) from the Earth at night
	an actor who plays a principal role
	someone who is dazzlingly skilled in any field
	a performer who receives prominent billing
	a plane figure with 5 or more points; often used as an emblem

starry (adjective)	star (adjective)
abounding with or resembling stars	indicating the most important performer or role