sacred vs worthy

sacred is not a noun while worthy is a noun.

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

sacred (noun)	worthy (noun)
	an important, honorable person (word is often used humorously)

sacred (adjective)	worthy (adjective)
concerned with religion or religious purposes	having worth or merit or value; being honorable or admirable
(often followed by `to') devoted exclusively to a single use or purpose or person	worthy of being chosen especially as a spouse
made or declared or believed to be holy; devoted to a deity or some religious ceremony or use	having qualities or abilities that merit recognition in some way
worthy of respect or dedication
worthy of religious veneration