ductile vs flexile

ductile

adj
  • Capable of being pulled or stretched into thin wire by mechanical force without breaking. 

  • Led easily; prone to follow. 

  • Molded easily into a new form. 

flexile

adj
  • Flexible; capable of being repeatedly flexed without breaking. 

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