sacred vs sacredness

sacred is not a noun while sacredness is a noun.

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

sacred (noun)	sacredness (noun)
	the quality of being sacred

sacred (adjective)	sacredness (adjective)
concerned with religion or religious purposes
(often followed by `to') devoted exclusively to a single use or purpose or person
made or declared or believed to be holy; devoted to a deity or some religious ceremony or use
worthy of respect or dedication
worthy of religious veneration