crappo vs unsatisfactory

crappo

adj
  • Of very low quality; crap, lousy. 

noun
  • The andiroba or crabwood tree (Carapa guianensis). 

  • A toad (chiefly from the family Bufonidae). 

unsatisfactory

adj
  • inadequate, substandard or not satisfactory 

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