dizzying vs gradual

dizzying

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

gradual

adj
  • Proceeding or advancing by small, slow, regular steps or degrees 

noun
  • A service book containing the musical portions of the Mass. 

  • An antiphon or responsory after the epistle, in the Mass, which was sung on the steps, or while the deacon ascended the steps. 

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