disturb vs settle someone's nerves

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. 

settle someone's nerves

How often have the words disturb and settle someone's nerves occurred in a corpus of books? (source: Google Ngram Viewer )