buddy vs confederate

buddy

noun
  • A partner for a particular activity. 

  • An informal and friendly address to a stranger; a friendly (or occasionally antagonistic) placeholder name for a person one does not know. 

  • A friend or casual acquaintance. 

pron
  • A person far removed from the conversation. 

adj
  • Resembling a bud. 

verb
  • To assign a buddy, or partner, to. 

confederate

noun
  • An actor who participates in a psychological experiment pretending to be a subject but in actuality working for the researcher. 

  • A member of a confederacy. 

  • An accomplice in a plot. 

verb
  • To combine in a confederacy. 

adj
  • of, relating to, or united in a confederacy 

  • banded together; allied. 

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