clamorous vs could hear a pin drop

clamorous

adj
  • Of great intensity. 

  • Creating a loud noise. 

  • Expressed loudly. 

  • Filled with or accompanied by a great deal of noise. 

  • Insistently expressing a desire for something. 

  • Having especially (and often unpleasantly) bright or contrasting colours or patterns. 

could hear a pin drop

How often have the words clamorous and could hear a pin drop occurred in a corpus of books? (source: Google Ngram Viewer )