Babel vs thud

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. 

thud

noun
  • The sound of a dull impact. 

  • A slower, dull impact with a wide surface area. 

  • A hard, dull impact. 

verb
  • To make the sound of a dull impact. 

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