ductile vs obedient

ductile

adj
  • Led easily; prone to follow. 

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

  • Molded easily into a new form. 

obedient

adj
  • Willing to comply with the commands, orders, or instructions of those in authority. 

noun
  • One who obeys. 

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