chinwag vs prate

chinwag

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

verb
  • To chat, to gossip. 

prate

noun
  • Talk to little purpose; trifling talk; unmeaningful loquacity. 

verb
  • To talk much and to little purpose; to be loquacious; to speak foolishly. 

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