bavardage vs scuttlebutt

bavardage

noun
  • chatter, banter 

scuttlebutt

noun
  • Gossip, rumour, idle chatter. 

  • A keg of drinking water with a hole cut in it, on board ship. 

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