specialness vs distinctiveness

specialness and distinctiveness both are nouns.

Word	Noun	Adjective	Verb	Adverb
specialness	Yes	No	No	No
distinctiveness	Yes	No	No	No

As nouns, specialness and distinctiveness are synonyms defined as:

Other synonyms of specialness include peculiarity, speciality, specialty.

specialness (noun)	distinctiveness (noun)
a distinguishing trait	utter dissimilarity
the quality of being particular and pertaining to a specific case or instance	a distinguishing trait