superciliousness vs haughtiness

superciliousness and haughtiness both are nouns.

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

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

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

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

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