successfulness vs prosperity

successfulness and prosperity both are nouns.

Word	Noun	Adjective	Verb	Adverb
successfulness	Yes	No	No	No
prosperity	Yes	No	No	No

As nouns, successfulness and prosperity are synonyms defined as:

successfulness and prosperity: the condition of prospering; having good fortune

successfulness (noun)	prosperity (noun)
the condition of prospering; having good fortune	the condition of prospering; having good fortune
	an economic state of growth with rising profits and full employment