good luck vs prosperity

good luck and prosperity both are nouns.

Word	Noun	Adjective	Verb	Adverb
good luck	Yes	No	No	No
prosperity	Yes	No	No	No

As nouns, prosperity is a hyponym of good luck; that is, prosperity is a word with a more specific, narrower meaning than good luck:

Other hyponyms of good luck include successfulness, blessing, boon.

good luck (noun)	prosperity (noun)
an unexpected piece of good luck	the condition of prospering; having good fortune
a stroke of luck	an economic state of growth with rising profits and full employment
an auspicious state resulting from favorable outcomes