chinwag vs prattle

chinwag

noun
  • An informal conversation, usually about everyday matters; a chat, a gossip. 

verb
  • To chat, to gossip. 

prattle

noun
  • Silly, childish talk; babble. 

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

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