blat vs converse

blat

verb
  • To talk inconsiderately; blab. 

  • To cry, as a calf or sheep; bleat. 

  • To utter loudly or foolishly; blurt. 

  • To produce an overrich or overblown sound on a brass instrument such as a trumpet, trombone, or tuba. 

  • To make a senseless noise. 

noun
  • The Soviet system of connections and social relationships; one's social or business network (in Russian or Soviet society). 

converse

verb
  • To talk; to engage in conversation. 

  • To keep company; to hold intimate intercourse; to commune. 

noun
  • Free verbal interchange of thoughts or views; conversation; chat. 

  • The opposite or reverse. 

  • One of a pair of terms that name or describe a relationship from opposite perspectives; converse antonym; relational antonym. 

  • Of a proposition or theorem of the form: given that "If A is true, then B is true", then "If B is true, then A is true.". 

adj
  • opposite; reversed in order or relation; reciprocal 

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