abrupt vs accelerating

abrupt

noun
  • Something which is abrupt; an abyss. 

adj
  • Without notice to prepare the mind for the event; sudden; hasty; unceremonious. 

  • Curt in manner. 

  • Suddenly terminating, as if cut off; truncate. 

  • Having sudden transitions from one subject or state to another; unconnected; disjointed. 

  • Extremely steep or craggy as if broken up; precipitous. 

verb
  • To interrupt suddenly. 

accelerating

noun
  • An act of acceleration. 

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