answerability vs answerableness

answerability and answerableness both are nouns.

Word	Noun	Adjective	Verb	Adverb
answerability	Yes	No	No	No
answerableness	Yes	No	No	No

As nouns, answerability and answerableness are synonyms defined as:

answerability and answerableness: responsibility to someone or for some activity

Other synonyms of answerability include accountability.

answerability (noun)	answerableness (noun)
responsibility to someone or for some activity	responsibility to someone or for some activity