baa vs ululation

baa

noun
  • The characteristic cry or bleating of a sheep. 

  • The letter ب in the Arabic script. 

intj
  • The characteristic cry of a sheep. 

verb
  • To make the characteristic cry of a sheep. 

ululation

noun
  • The act of ululating; a long, loud, wavering cry or howl. 

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