superciliousness vs arrogance

superciliousness and arrogance both are nouns.

Word	Noun	Adjective	Verb	Adverb
superciliousness	Yes	No	No	No
arrogance	Yes	No	No	No

As nouns, arrogance is a hypernym of superciliousness; that is, arrogance is a word with a broader meaning than superciliousness:

superciliousness: the trait of displaying arrogance by patronizing those considered inferior
arrogance: overbearing pride evidenced by a superior manner toward inferiors

Other hypernyms of superciliousness include haughtiness, hauteur, high-handedness, lordliness.

superciliousness (noun)	arrogance (noun)
the trait of displaying arrogance by patronizing those considered inferior	overbearing pride evidenced by a superior manner toward inferiors