execrable vs shocking

execrable

adj
  • Hateful. 

  • Of the poorest quality. 

shocking

adj
  • Extremely bad. 

  • Inspiring shock; startling. 

  • Unusually obscene or lewd. 

noun
  • The application of an electric shock. 

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