potentiality vs possibility

potentiality and possibility both are nouns.

Word	Noun	Adjective	Verb	Adverb
potentiality	Yes	No	No	No
possibility	Yes	No	No	No

As nouns, possibility is a hypernym of potentiality; that is, possibility is a word with a broader meaning than potentiality:

Other hypernyms of potentiality include possibleness.

potentiality (noun)	possibility (noun)
an aptitude that may be developed	a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena
the inherent capacity for coming into being	a possible alternative
	a future prospect or potential
	capability of existing or happening or being true