superciliousness vs disdainfulness

superciliousness and disdainfulness both are nouns.

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

As nouns, superciliousness and disdainfulness are synonyms defined as:

superciliousness and disdainfulness: the trait of displaying arrogance by patronizing those considered inferior

Other synonyms of superciliousness include condescension.

superciliousness (noun)	disdainfulness (noun)
the trait of displaying arrogance by patronizing those considered inferior	the trait of displaying arrogance by patronizing those considered inferior