blat vs yap

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). 

yap

verb
  • To talk, especially excessively; to chatter. 

  • Of a small dog, to bark. 

  • To rob or steal from (someone). 

noun
  • The high-pitched bark of a small dog, or similar. 

  • The mouth, which produces speech. 

  • Casual talk; chatter. 

  • A badly behaved child; a brat. 

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