haughtiness vs high-handedness

haughtiness and high-handedness both are nouns.

Word	Noun	Adjective	Verb	Adverb
haughtiness	Yes	No	No	No
high-handedness	Yes	No	No	No

As nouns, haughtiness and high-handedness are synonyms defined as:

haughtiness and high-handedness: overbearing pride evidenced by a superior manner toward inferiors

Other synonyms of haughtiness include arrogance, hauteur, lordliness.

haughtiness (noun)	high-handedness (noun)
overbearing pride evidenced by a superior manner toward inferiors	overbearing pride evidenced by a superior manner toward inferiors