self-conceit vs superciliousness

self-conceit

noun
  • Conceit of oneself; an overweening opinion of one's own powers or endowments; vanity. 

superciliousness

noun
  • The state or quality of being supercilious. 

How often have the words self-conceit and superciliousness occurred in a corpus of books? (source: Google Ngram Viewer )