confused vs plugged in

confused

adj
  • making no sense; illogical 

  • chaotic, jumbled or muddled 

  • embarrassed 

  • unable to think clearly or understand 

  • disoriented 

plugged in

adj
  • Fully aware; in a state of keeping up with current information about a topic; engaged wholeheartedly in a task or cause 

  • With its plug properly connected to the electric plug socket. 

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