backtalk vs razz

backtalk

verb
  • To respond to in an aggressively disputatious, often sarcastic or insolent manner. 

noun
  • Verbal impudence or argumentative discourse, given in response. 

razz

verb
  • To tease playfully; to heckle. 

  • To heckle by blowing a raspberry. 

  • To drive an automobile around. 

noun
  • A version of seven card stud where the worst poker hand wins (called lowball). 

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