ductile vs responsive

ductile

adj
  • Molded easily into a new form. 

  • Led easily; prone to follow. 

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

responsive

adj
  • automatically resizing and repositioning elements to fit the available space 

  • using antiphons; antiphonal 

  • answering, replying or responding 

  • susceptible to the feelings of others 

  • able to receive and respond to external stimuli 

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