contemptuousness vs haughtiness

contemptuousness and haughtiness both are nouns.

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

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

contemptuousness: the manifestation of scorn and contempt
haughtiness: overbearing pride evidenced by a superior manner toward inferiors

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

contemptuousness (noun)	haughtiness (noun)
the manifestation of scorn and contempt	overbearing pride evidenced by a superior manner toward inferiors