condescension vs affability

condescension and affability both are nouns.

Word	Noun	Adjective	Verb	Adverb
condescension	Yes	No	No	No
affability	Yes	No	No	No

As nouns, affability is a hypernym of condescension; that is, affability is a word with a broader meaning than condescension:

condescension: affability to your inferiors and temporary disregard for differences of position or rank
affability: a disposition to be friendly and approachable (easy to talk to)

Other hypernyms of condescension include affableness, amiability, amiableness, bonhomie, geniality.

condescension (noun)	affability (noun)
the trait of displaying arrogance by patronizing those considered inferior	a disposition to be friendly and approachable (easy to talk to)
affability to your inferiors and temporary disregard for differences of position or rank
a communication that indicates lack of respect by patronizing the recipient