Babel vs ululation

Babel

noun
  • A place or scene of noise and confusion. 

  • A confused mixture of sounds and voices, especially in different languages. 

  • A tall, looming structure. 

name
  • The city and tower in the land of Shinar where the confusion of languages took place, according to the Bible. 

ululation

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

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