shocking vs spine-chilling

shocking

adj
  • Inspiring shock; startling. 

  • Unusually obscene or lewd. 

  • Extremely bad. 

noun
  • The application of an electric shock. 

spine-chilling

adj
  • Inducing fear or nervousness; frequently used of a work of fiction. 

How often have the words shocking and spine-chilling occurred in a corpus of books? (source: Google Ngram Viewer )