blat vs shrill

blat

verb
  • To make a senseless noise. 

  • 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. 

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

shrill

verb
  • To make a shrill noise. 

noun
  • A shrill sound. 

adj
  • Sharp or keen to the senses. 

  • Having a shrill voice. 

  • Fierce, loud, strident. 

  • High-pitched and piercing. 

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