ball sack vs cocksack

ball sack

noun

  • The scrotum. 

  • An objectionable person (especially a man). 

cocksack

noun

  • The scrotum. 

  • Clothing that covers the scrotum in a manner similar to a codpiece. 

  • A term of abuse. 

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