dizzying vs towering

dizzying

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

towering

adj
  • Very tall or high, so as to dwarf anything around it. 

noun
  • The act or condition of being high above others. 

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