tubercle vs tuberosity

tubercle

noun
  • A round nodule, small eminence, or warty outgrowth, especially those found on bones for the attachment of a muscle or ligament or small elevations on the surface of a tooth. 

  • A small rounded nodule forming the characteristic lesion of tuberculosis. 

  • A small rounded wartlike protuberance of the roots of some leguminous plants; the lip of certain orchids, cacti. 

tuberosity

noun
  • A rounded protuberance, at the end of a bone, to which a muscle or tendon is attached 

  • The condition of being tuberous 

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