apathy vs inscription

apathy

noun
  • Lack of emotion or motivation; lack of interest or enthusiasm towards something; disinterest (in something). 

inscription

noun
  • Text carved on a wall or plaque, such as a memorial or gravestone. 

  • Words written in the front of a book as a dedication. 

  • The text on a coin. 

  • The act of inscribing. 

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