din vs rale

din

noun
  • A loud noise; a cacophony or loud commotion. 

verb
  • To repeat continuously, as though to the point of deafening or exhausting somebody. 

  • To assail (a person, the ears) with loud noise. 

  • To make a din, to resound. 

  • (of a place) To be filled with sound, to resound. 

rale

noun
  • An abnormal clicking, rattling or crackling sound, made by one or both lungs and heard with a stethoscope, caused by the popping open of airways collapsed by fluid or exudate, or sometimes by pulmonary edema. 

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