hexing vs triple whammy

hexing

noun
  • The act of casting a hex or curse. 

triple whammy

noun
  • A threefold blow or setback. 

  • An angiotensin-converting enzyme inhibitor or angiotensin receptor blocker, combined with a diuretic and a non-steroidal anti-inflammatory drug, the concurrent use of which may precipitate acute kidney injury. 

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