baa vs yawl

baa

verb
  • To make the characteristic cry of a sheep. 

noun
  • The characteristic cry or bleating of a sheep. 

  • The letter ب in the Arabic script. 

intj
  • The characteristic cry of a sheep. 

yawl

verb
  • To cry out; to howl. 

noun
  • A fore-and-aft rigged sailing vessel with two masts, main and mizzen, the mizzen stepped abaft the rudder post. 

  • A small ship's boat, usually rowed by four or six oars. 

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