regionality vs specialness

regionality and specialness both are nouns.

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

As nouns, specialness is a hypernym of regionality; that is, specialness is a word with a broader meaning than regionality:

regionality: The property of being of, or pertaining to, a specific region or district.
specialness: the quality of being particular and pertaining to a specific case or instance

Other hypernyms of regionality include particularity.

regionality (noun)	specialness (noun)
The property of being of, or pertaining to, a specific region or district.	a distinguishing trait
The property of being of, or pertaining to, a large geographic region.	the quality of being particular and pertaining to a specific case or instance