worthy vs meritable

worthy is a noun but meritable is not a noun.

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

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

worthy (adjective)	meritable (adjective)
having worth or merit or value; being honorable or admirable	deserving reward or praise
worthy of being chosen especially as a spouse
having qualities or abilities that merit recognition in some way