disconcerted vs unflappable

disconcerted

adj
  • Self-consciously distressed. 

  • Frustrated and disarranged. 

  • Ruffled; upset and embarrassed. 

unflappable

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

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