dement vs disarray

dement

verb
  • To drive mad; to craze 

noun
  • An insane person, or one afflicted with dementia 

disarray

verb
  • To throw into disorder; to break the array of. 

  • To take off the dress of; to unrobe. 

noun
  • Confused attire; undress; dishabille. 

  • Lack of array or regular order; disorder; confusion. 

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