inanity vs rigamajig

inanity

noun
  • Something that is inane. 

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

rigamajig

noun
  • A thingy; a miscellaneous or nameless object. 

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