biddability vs yielding

biddability

noun
  • The quality of being biddable. 

  • The extent to which something or someone is biddable. 

yielding

noun
  • A concession. 

adj
  • Docile, or inclined to give way to pressure. 

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