reverend vs sacred

reverend is a noun but sacred is not a noun.

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

reverend (noun)	sacred (noun)
a member of the clergy and a spiritual leader of the Christian Church

reverend (adjective)	sacred (adjective)
worthy of adoration or reverence	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