burn up vs disconcert

burn up

verb
  • To anger; to annoy. 

  • To feel overly hot or inflamed. 

  • To destroy by burning. 

  • To experience a high fever. 

  • To catch fire and burn until destroyed. 

disconcert

verb
  • To upset the composure of. 

  • To bring into confusion. 

  • To frustrate, discomfit. 

noun
  • A state of disunion. 

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