blessing vs good fortune

blessing and good fortune both are nouns.

Word	Noun	Adjective	Verb	Adverb
blessing	Yes	No	No	No
good fortune	Yes	No	No	No

As nouns, good fortune is a hypernym of blessing; that is, good fortune is a word with a broader meaning than blessing:

Other hypernyms of blessing include good luck, luckiness.

blessing (noun)	good fortune (noun)
the act of praying for divine protection	a stroke of luck
the formal act of approving	an auspicious state resulting from favorable outcomes
a ceremonial prayer invoking divine protection
a short prayer of thanks before a meal
a desirable state