Babel vs three-ring circus

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. 

three-ring circus

noun
  • A disorderly, complicated, rapidly changing situation or set of events, which is a source of bewilderment, amazement, or amusement. 

  • A large circus in which three separate performances, each within its own circular enclosure, are staged simultaneously before a single audience. 

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