disdainfulness vs lordliness

disdainfulness and lordliness both are nouns.

Word	Noun	Adjective	Verb	Adverb
disdainfulness	Yes	No	No	No
lordliness	Yes	No	No	No

As nouns, lordliness is a hypernym of disdainfulness; that is, lordliness is a word with a broader meaning than disdainfulness:

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

Other hypernyms of disdainfulness include arrogance, haughtiness, hauteur, high-handedness.

disdainfulness (noun)	lordliness (noun)
the trait of displaying arrogance by patronizing those considered inferior	formality in bearing and appearance
	overbearing pride evidenced by a superior manner toward inferiors