rocklike vs vaporous

rocklike

adj
  • Resembling rock music. 

  • Resembling a rock. 

vaporous

adj
  • Of a thing: covered or hidden by vapour, fog, or mist. 

  • Of a place: filled with vapour; foggy, misty. 

  • Breathing out or giving off vapour. 

  • Of or relating to vapour; also, having the characteristics or consistency of vapour. 

  • Lacking depth or substance; insubstantial, thoughtless, vague. 

  • Of clothes or fabric: thin and translucent; filmy, gauzy. 

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