aposiopesis vs hyperbole

aposiopesis

noun
  • An abrupt breaking-off in speech, often indicated in print using an ellipsis (…) or an em dash (—). 

hyperbole

noun
  • An instance or example of such overstatement. 

  • Deliberate or unintentional overstatement, particularly extreme overstatement. 

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