spiritual vs sacred

spiritual is a noun but sacred is not a noun.

Word	Noun	Adjective	Verb	Adverb
spiritual	Yes	Yes	No	No
sacred	No	Yes	No	No

spiritual (noun)	sacred (noun)
a kind of religious song originated by Blacks in the southern United States

spiritual (adjective)	sacred (adjective)
lacking material body or form or substance	concerned with religion or religious purposes
concerned with sacred matters or religion or the church	(often followed by `to') devoted exclusively to a single use or purpose or person
resembling or characteristic of a phantom	made or declared or believed to be holy; devoted to a deity or some religious ceremony or use
concerned with or affecting the spirit or soul	worthy of respect or dedication
	worthy of religious veneration