fabrication vs hollowness

fabrication

noun
  • That which is fabricated; a falsehood 

  • The act of cutting up an animal carcass as preparation for cooking; butchery. 

  • The act of fabricating, framing, or constructing; construction; manufacture 

hollowness

noun
  • The state or quality of being hollow. 

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