disturb vs muss

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. 

muss

verb
  • To rumple, tousle or make (something) untidy. 

noun
  • A mess (disagreeable mixture or confusion of things; disorder) 

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