supple vs unfit

supple

verb
  • To make or become supple. 

  • To make compliant, submissive, or obedient. 

adj
  • Lithe and agile when moving and bending. 

  • Compliant; yielding to the will of others. 

  • Pliant, flexible, easy to bend. 

unfit

verb
  • To make unfit; to render unsuitable, spoil, disqualify. 

adj
  • Unsuitable for a particular purpose. 

  • Not fit; not having the correct requirements. 

  • Not fit, not having a good physical demeanor. 

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