Jenny vs panton

Jenny

noun

  • A Wren (a member of the WRNS). 

  • A Curtiss JN-4 airplane. 

name

  • A female given name. 

  • A surname. 

panton

noun

  • A horseshoe to correct a narrow, hoofbound heel. 

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