conceivableness vs possibility

conceivableness and possibility both are nouns.

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

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

Other hypernyms of conceivableness include possibleness.

conceivableness (noun)	possibility (noun)
the state of being conceivable	a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena
	a possible alternative
	a future prospect or potential
	capability of existing or happening or being true