prat vs shtick

prat

noun
  • A cunning or mischievous trick; a prank, a joke. 

  • The female genitals. 

  • A fool. 

  • A buttock, or the buttocks; a person's bottom. 

shtick

noun
  • A gimmick. 

  • A generally humorous routine. 

  • A characteristic trait or theme, especially in the way people or media present themselves. 

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