blat vs hiss

blat

verb
  • To utter loudly or foolishly; blurt. 

  • To talk inconsiderately; blab. 

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

  • 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). 

hiss

verb
  • To utter (something) with a hissing sound. 

  • To call someone by hissing. 

  • To condemn or express contempt (for someone or something) by hissing. 

  • To make a hissing sound. 

  • To whisper, especially angrily or urgently. 

  • To emit or eject (something) with a hissing sound. 

  • To move with a hissing sound. 

noun
  • A sibilant sound, such as that made by a snake or escaping steam; an unvoiced fricative. 

  • An expression of disapproval made using such a sound. 

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