confused vs unscrewed

confused

adj
  • making no sense; illogical 

  • chaotic, jumbled or muddled 

  • embarrassed 

  • unable to think clearly or understand 

  • disoriented 

unscrewed

adj
  • Not having been screwed. 

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