punchinello vs ribald

punchinello

noun
  • A small brown butterfly, Zemeros flegyas, family Riodinidae, of Asia. 

ribald

noun
  • An individual who is filthy or vulgar in nature. 

adj
  • Coarsely, vulgarly, or lewdly amusing; referring to sexual matters in a rude or irreverent way. 

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