Babel vs Tower of Babel

Babel

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

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

  • A place or scene of noise and confusion. 

  • A tall, looming structure. 

Tower of Babel

name
  • A tower erected at Babel by the descendants of Noah's son Ham to reach the sky, and whose completion God thwarted by making the workers speak different languages so that they were unable to understand one another. 

noun
  • A visionary and impractical plan. 

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