bleat vs maa

bleat

verb
  • Of a sheep or goat, to make its characteristic cry; of a human, to mimic this sound. 

  • Of a person, to complain. 

noun
  • The characteristic cry of a sheep or a goat. 

maa

verb
  • To make such a sound. 

intj
  • A bleating sound, as that of a sheep or goat. 

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