beaten vs unflappable

beaten

adj
  • Defeated. 

  • Repeatedly struck, or formed or flattened by blows. 

  • Mixed by paddling with a wooden spoon or other implement. 

unflappable

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

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