chinking vs rale

chinking

noun
  • The sound of something that chinks. 

  • The material used to fill the spaces between logs in a log house; caulking. 

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 chinking and rale occurred in a corpus of books? (source: Google Ngram Viewer )