favourable vs favourableness

favourable is not a noun while favourableness is a noun.

Word	Noun	Adjective	Verb	Adverb
favourable	No	Yes	No	No
favourableness	Yes	No	No	No

favourable (noun)	favourableness (noun)
	the quality of being encouraging or promising of a successful outcome

favourable (adjective)	favourableness (adjective)
(of winds or weather) tending to promote or facilitate
encouraging or approving or pleasing
giving an advantage
presaging or likely to bring good luck or a good outcome