disorder vs dysfunction

disorder

noun
  • A physical or mental malfunction. 

  • Absence of order; state of not being arranged in an orderly manner. 

  • A disturbance of civic peace or of public order. 

verb
  • To throw into a state of disorder. 

  • To knock out of order or sequence. 

dysfunction

noun
  • A failure to function in an expected or complete manner. Usually refers to a disorder in a bodily organ (e.g. erectile dysfunction), a mental disorder, or the improper behavior of a social group. 

verb
  • To fail to function correctly; to malfunction. 

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