disturb vs specify

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. 

specify

verb
  • To state explicitly, or in detail, or as a condition. 

  • To bring about a specific result. 

  • To include in a specification. 

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