unsavoriness vs distastefulness

unsavoriness and distastefulness both are nouns.

Word	Noun	Adjective	Verb	Adverb
unsavoriness	Yes	No	No	No
distastefulness	Yes	No	No	No

As nouns, unsavoriness and distastefulness are synonyms defined as:

Other synonyms of unsavoriness include disgustingness, nauseatingness, sickeningness.

unsavoriness (noun)	distastefulness (noun)
extreme unpalatability to the mouth	the quality of being offensive
the property of being extremely unacceptable to the mind	extreme unpalatability to the mouth