sacred vs reverend

sacred is not a noun while reverend is a noun.

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

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

sacred (adjective)	reverend (adjective)
concerned with religion or religious purposes	worthy of adoration or reverence
(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