banality vs self-evidency

banality

noun
  • The quality of being banal. 

  • Something which is banal. 

  • A feudal right or obligation, especially the obligation for a peasant to grind grain at the lord's mill, or the profits accruing from such rights. 

self-evidency

noun
  • The condition, fact, or quality of being self-evident. 

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