blat vs ululate

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). 

ululate

verb
  • to howl loudly or prolongedly in lamentation or joy 

  • to produce a rapid and prolonged series of sharp noises with one's voice. 

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