positivity vs favorableness

positivity and favorableness both are nouns.

Word	Noun	Adjective	Verb	Adverb
positivity	Yes	No	No	No
favorableness	Yes	No	No	No

As nouns, positivity and favorableness are synonyms defined as:

positivity and favorableness: the quality of being encouraging or promising of a successful outcome

Other synonyms of positivity include advantageousness, favourableness, positiveness, profitableness.

positivity (noun)	favorableness (noun)
a quality or state characterized by certainty or acceptance or affirmation and dogmatic assertiveness	the quality of being encouraging or promising of a successful outcome
the quality of being encouraging or promising of a successful outcome
the quality of being undeniable and not worth arguing about
an amount greater than zero
the character of the positive electric pole