hazy vs vacillant

hazy

adj
  • Not clear or transparent. 

  • Thick or obscured with haze. 

  • Obscure; confused; not clear. 

vacillant

adj
  • Vacillating; wavering; fluctuating; irresolute. 

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