untasteable vs untasty

untasteable

adj
  • Unable to be tasted; having no flavor; tasteless. 

  • Having a repulsive taste, so as to make tasting too unpleasant an experience to attempt. 

untasty

adj
  • Not tasty 

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