suitable vs worthy

suitable is not a noun while worthy is a noun.

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

As adjectives, suitable and worthy are synonyms defined as:

Other synonyms of suitable include desirable.

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

suitable (adjective)	worthy (adjective)
worthy of being chosen especially as a spouse	having worth or merit or value; being honorable or admirable
meant or adapted for an occasion or use	worthy of being chosen especially as a spouse
	having qualities or abilities that merit recognition in some way