inanity vs infecundity

inanity

noun
  • The property of being inane, of lacking material of interest or satisfaction, emptiness. 

  • Something that is inane. 

infecundity

noun
  • Lack of fecundity or fruitfulness 

How often have the words inanity and infecundity occurred in a corpus of books? (source: Google Ngram Viewer )