possibility vs outlook

possibility and outlook both are nouns.

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

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

Other hypernyms of possibility include expectation, prospect.

possibility (noun)	outlook (noun)
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 act of looking out
a possible alternative	belief about (or mental picture of) the future
a future prospect or potential	a habitual or characteristic mental attitude that determines how you will interpret and respond to situations
capability of existing or happening or being true