impartiality vs nonpartisanship

impartiality and nonpartisanship both are nouns.

Word	Noun	Adjective	Verb	Adverb
impartiality	Yes	No	No	No
nonpartisanship	Yes	No	No	No

As nouns, impartiality and nonpartisanship are synonyms defined as:

impartiality and nonpartisanship: an inclination to weigh both views or opinions equally

impartiality (noun)	nonpartisanship (noun)
an inclination to weigh both views or opinions equally	an inclination to weigh both views or opinions equally