disturbing vs numb

disturbing

adj
  • Causing distress or worry; upsetting or unsettling. 

numb

adj
  • Physically unable to feel, not having the power of sensation. 

  • Emotionally unable to feel or respond in a normal way. 

verb
  • To cause (a feeling) to be less intense. 

  • To cause to become numb (physically or emotionally). 

  • To cause (the mind, faculties, etc.) to be less acute. 

  • To become numb (especially physically). 

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