covered with blotches vs spotty

covered with blotches

spotty

adj
  • Occurring in non-contiguous positions or locations. 

  • Having spots; spotted. 

  • Of inconsistent quality 

noun
  • A common New Zealand fish, Notolabrus celidotus 

How often have the words covered with blotches and spotty occurred in a corpus of books? (source: Google Ngram Viewer )