Jenny vs Treasure

Jenny

name

  • A female given name. 

  • A surname. 

noun

  • A Curtiss JN-4 airplane. 

  • A Wren (a member of the WRNS). 

Treasure

name

  • A female given name. 

  • A surname. 

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