Heaven vs heavenly

Heaven is a noun but heavenly is not a noun.

Word	Noun	Adjective	Verb	Adverb
Heaven	Yes	No	No	No
heavenly	No	Yes	No	No

Heaven (noun)	heavenly (noun)
a place regarded by various beliefs as the abode of their deities; also a place where good people are believed to go after death

Heaven (adjective)	heavenly (adjective)
	of or belonging to heaven or god
	relating to or inhabiting a divine heaven
	of or relating to the sky