disturb vs narcotize

disturb

verb
  • to divert, redirect, or alter by disturbing. 

  • to confuse a quiet, constant state or a calm, continuous flow, in particular: thoughts, actions or liquids. 

  • to have a negative emotional impact; to cause emotional distress or confusion. 

narcotize

verb
  • To dull the senses of (a person, place etc.). 

  • To make into a narcotic. 

  • To use a narcotic in order to make (someone) drowsy or insensible; to anesthetize, to drug. 

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