worthy vs estimable

worthy is a noun but estimable is not a noun.

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

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

worthy (adjective)	estimable (adjective)
having worth or merit or value; being honorable or admirable	deserving of respect or high regard
worthy of being chosen especially as a spouse	may be computed or estimated
having qualities or abilities that merit recognition in some way	deserving of esteem and respect