asperse vs talk shit

asperse

verb
  • To falsely or maliciously charge another; to slander. 

  • To sprinkle or scatter (liquid or dust). 

talk shit

verb
  • To untruthfully speak of another in a belittling, deprecative, slighting manner, either in person or in absentia. 

  • To speak nonsense or to lie. 

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