droll vs punchinello

droll

adj
  • Oddly humorous; whimsical, amusing in a quaint way; waggish. 

punchinello

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

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