Kev vs scrote

Kev

noun
  • A working-class male. 

name
  • A diminutive of the male given name Kevin. 

scrote

noun
  • A stereotypical low-value and obnoxious man. 

  • A worthless or contemptible person; a gobshite or toerag. 

  • The scrotum. 

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