Roger vs tarse

Roger

name

  • A male given name from the Germanic languages. 

  • A surname originating as a patronymic. 

  • Jolly Roger (pirate flag) 

tarse

noun

  • The tarsus (seven bones in the ankle). 

  • A male falcon. 

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