worthy vs precious

worthy is a noun but precious is not a noun.

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

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

worthy (adjective)	precious (adjective)
having worth or merit or value; being honorable or admirable	obviously contrived to charm
worthy of being chosen especially as a spouse	characterized by feeling or showing fond affection for
having qualities or abilities that merit recognition in some way	of high worth or cost
	held in great esteem for admirable qualities especially of an intrinsic nature

worthy (adverb)	precious (adverb)
	very