worthy vs commendable

worthy is a noun but commendable is not a noun.

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

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

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

worthy (adverb)	commendable (adverb)
	in an admirable manner