flexible vs supple

flexible

adj
  • Capable of being flexed or bent without breaking; able to be turned or twisted without breaking. 

  • Capable or being adapted or molded in some way. 

  • Willing or prone to give way to the influence of others; not invincibly rigid or obstinate. 

noun
  • Something that is flexible. 

supple

adj
  • Pliant, flexible, easy to bend. 

  • Lithe and agile when moving and bending. 

  • Compliant; yielding to the will of others. 

verb
  • To make or become supple. 

  • To make compliant, submissive, or obedient. 

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