clouded vs vaporific

clouded

adj
  • Made dim or blurry. 

  • Variegated with spots. 

  • Filled with clouds. 

  • Unclear; surrounded in mystery. 

vaporific

adj
  • Producing vapour; tending to pass, or to cause to pass, into vapor. 

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