confused vs unflappable

confused

adj
  • making no sense; illogical 

  • chaotic, jumbled or muddled 

  • embarrassed 

  • unable to think clearly or understand 

  • disoriented 

unflappable

adj
  • Remaining composed and level-headed at all times; impossible to fluster; not becoming frustrated or irritated easily. 

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