disturb vs swap places

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. 

swap places

verb
  • Synonym of change places 

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