mountebank vs punchinello

mountebank

verb
  • To act as a mountebank. 

  • To cheat by boasting and false pretenses. 

noun
  • One who sells dubious medicines. 

  • Any boastful, false pretender. 

  • One who sells by deception; a con artist. 

punchinello

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

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