worthiness vs worthy

worthiness and worthy both are nouns.

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

worthiness (noun)	worthy (noun)
the quality or state of having merit or value	an important, honorable person (word is often used humorously)

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