prattle vs schmooze

prattle

noun
  • Silly, childish talk; babble. 

verb
  • To speak incessantly and in an inconsequential or childish manner; to babble. 

schmooze

noun
  • A casual conversation, especially one held in order to gain an advantage or make a social connection. 

verb
  • To talk casually, especially in order to gain an advantage or make a social connection. 

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