palatability vs acceptableness

palatability and acceptableness both are nouns.

Word	Noun	Adjective	Verb	Adverb
palatability	Yes	No	No	No
acceptableness	Yes	No	No	No

As nouns, acceptableness is a hypernym of palatability; that is, acceptableness is a word with a broader meaning than palatability:

palatability: acceptability to the mind or feelings
acceptableness: satisfactoriness by virtue of conforming to approved standards

Other hypernyms of palatability include acceptability.

palatability (noun)	acceptableness (noun)
the property of being acceptable to the mouth	satisfactoriness by virtue of conforming to approved standards
acceptability to the mind or feelings