duologue vs hobnob

duologue

noun
  • A conversation between two persons; dialogue. 

  • A dramatic performance or piece in the form of a dialogue limited to two speakers. 

hobnob

noun
  • An informal chat. 

  • A drinking together. 

verb
  • To drink together. 

  • To associate with in a friendly manner, often with those of a higher class or status. 

adj
  • On friendly terms; in friendly association. 

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