chinwag vs confabulation

chinwag

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

verb
  • To chat, to gossip. 

confabulation

noun
  • A casual conversation; a chat. 

  • A fabricated memory believed to be true. 

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