Condescension as a noun is the act of condescending; voluntary descent from one's rank or dignity in intercourse with an inferior; courtesy toward inferiors. while Disdainfulness as a noun is the state or quality of being disdainful.
Part of speech: noun
Definition: The act of condescending; voluntary descent from one's rank or dignity in intercourse with an inferior; courtesy toward inferiors.
Part of speech: noun
Definition: The state or quality of being disdainful.
We hope you now know whether to use Condescension or Disdainfulness in your sentence.