honourable vs worthy

honourable is not a noun while worthy is a noun.

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

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

honourable (adjective)	worthy (adjective)
worthy of being honored; entitled to honor and respect	having worth or merit or value; being honorable or admirable
adhering to ethical and moral principles	worthy of being chosen especially as a spouse
	having qualities or abilities that merit recognition in some way