exemplary vs worthy

exemplary is not a noun while worthy is a noun.

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

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

exemplary (adjective)	worthy (adjective)
serving to warn	having worth or merit or value; being honorable or admirable
being or serving as an illustration of a type	worthy of being chosen especially as a spouse
worthy of imitation	having qualities or abilities that merit recognition in some way