keening vs rales

keening

noun
  • An unpleasant wailing sound. 

  • Intense mournful wailing after a death, often at a funeral or wake 

adj
  • Sharp, shrill, especially of a sound. 

rales

noun
  • Abnormal clicking, rattling or crackling sound heard from the lungs, often audible only with a stethoscope. 

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