well-being vs prosperity

well-being and prosperity both are nouns.

Word	Noun	Adjective	Verb	Adverb
well-being	Yes	No	No	No
prosperity	Yes	No	No	No

As nouns, prosperity is a hypernym of well-being; that is, prosperity is a word with a broader meaning than well-being:

Other hypernyms of well-being include successfulness.

well-being (noun)	prosperity (noun)
a contented state of being happy and healthy and prosperous	the condition of prospering; having good fortune
	an economic state of growth with rising profits and full employment