blat vs session

blat

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

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. 

session

noun
  • The sequence of interactions between client and server, or between user and system; the period during which a user is logged in or connected. 

  • Any of the three scheduled two hour playing sessions, from the start of play to lunch, from lunch to tea and from tea to the close of play. 

  • A period devoted to a particular activity, e.g. the annual or semiannual periods of a legislative body (that together comprise the legislative term) whose individual meetings are also called sessions. 

  • A meeting of a council, court, school, or legislative body to conduct its business. 

  • An extended period of drinking, typically consuming beer with low alcohol content. 

  • An academic term 

verb
  • To hold or participate in a jam session with other musicians. 

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