dizzying vs precipitous

dizzying

adj
  • Tending to make one (actually or metaphorically) dizzy or confused, as of great speed or height. 

precipitous

adj
  • Hasty; rash; quick; sudden 

  • Headlong 

  • Steep, like a precipice 

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